[PATCH v1 3/4] Make super block info struct a paramater instead of globals
Kelvin Zhang
zhangkelvin at google.com
Sun Nov 21 16:39:20 AEDT 2021
Test: mkfs.erofs on system.img of
aosp_cf_x86_64_phone-target_files-7731383.zip
Make sure output is the same before/after this patch
Signed-off-by: Kelvin Zhang <zhangkelvin at google.com>
---
dump/main.c | 67 +++++++++++++++++++------------
fsck/main.c | 61 +++++++++++++++++++----------
fuse/dir.c | 5 ++-
fuse/main.c | 7 ++--
include/erofs/compress.h | 2 +
include/erofs/decompress.h | 5 ++-
include/erofs/inode.h | 3 +-
include/erofs/internal.h | 26 ++++++++-----
include/erofs/xattr.h | 2 +-
lib/compress.c | 80 +++++++++++++++++++++++---------------
lib/compressor.c | 7 +++-
lib/compressor.h | 5 ++-
lib/compressor_lz4.c | 6 ++-
lib/compressor_lz4hc.c | 4 +-
lib/config.c | 1 -
lib/data.c | 36 ++++++++++-------
lib/decompress.c | 12 +++---
lib/inode.c | 60 ++++++++++++++++------------
lib/namei.c | 40 ++++++++++++-------
lib/xattr.c | 4 +-
lib/zmap.c | 46 +++++++++++++---------
mkfs/main.c | 63 ++++++++++++++++--------------
22 files changed, 332 insertions(+), 210 deletions(-)
diff --git a/dump/main.c b/dump/main.c
index 8d0dbd0..0ac97a0 100644
--- a/dump/main.c
+++ b/dump/main.c
@@ -85,7 +85,10 @@ static struct erofsdump_feature feature_lists[] = {
{ false, EROFS_FEATURE_INCOMPAT_CHUNKED_FILE, "chunked_file" },
};
-static int erofs_read_dir(struct erofs_device fd, erofs_nid_t nid, erofs_nid_t parent_nid);
+static int erofs_read_dir(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ erofs_nid_t nid, erofs_nid_t parent_nid);
static inline int erofs_checkdirent(struct erofs_dirent *de,
struct erofs_dirent *last_de,
u32 maxsize, const char *dname);
@@ -258,7 +261,9 @@ static inline int erofs_checkdirent(struct erofs_dirent *de,
}
static int erofs_read_dirent(
- struct erofs_device erofs_dev, struct erofs_dirent *de,
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_dirent *de,
erofs_nid_t nid, erofs_nid_t parent_nid,
const char *dname)
{
@@ -268,7 +273,7 @@ static int erofs_read_dirent(
stats.files++;
stats.file_category_stat[de->file_type]++;
- err = erofs_read_inode_from_disk(erofs_dev, &inode);
+ err = erofs_read_inode_from_disk(erofs_dev, sbi, &inode);
if (err) {
erofs_err("read file inode from disk failed!");
return err;
@@ -289,7 +294,7 @@ static int erofs_read_dirent(
if ((de->file_type == EROFS_FT_DIR)
&& de->nid != nid && de->nid != parent_nid) {
- err = erofs_read_dir(erofs_dev, de->nid, nid);
+ err = erofs_read_dir(erofs_dev, sbi, de->nid, nid);
if (err) {
erofs_err("parse dir nid %llu error occurred\n",
de->nid);
@@ -299,14 +304,17 @@ static int erofs_read_dirent(
return 0;
}
-static int erofs_read_dir(struct erofs_device fd, erofs_nid_t nid, erofs_nid_t parent_nid)
+static int erofs_read_dir(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ erofs_nid_t nid, erofs_nid_t parent_nid)
{
int err;
erofs_off_t offset;
char buf[EROFS_BLKSIZ];
struct erofs_inode vi = { .nid = nid };
- err = erofs_read_inode_from_disk(fd, &vi);
+ err = erofs_read_inode_from_disk(fd, sbi, &vi);
if (err)
return err;
@@ -318,7 +326,7 @@ static int erofs_read_dir(struct erofs_device fd, erofs_nid_t nid, erofs_nid_t p
struct erofs_dirent *end;
unsigned int nameoff;
- err = erofs_pread(fd, &vi, buf, maxsize, offset);
+ err = erofs_pread(fd, sbi, &vi, buf, maxsize, offset);
if (err)
return err;
@@ -338,7 +346,7 @@ static int erofs_read_dir(struct erofs_device fd, erofs_nid_t nid, erofs_nid_t p
ret = erofs_checkdirent(de, end, maxsize, dname);
if (ret < 0)
return ret;
- ret = erofs_read_dirent(fd, de, nid, parent_nid, dname);
+ ret = erofs_read_dirent(fd, sbi, de, nid, parent_nid, dname);
if (ret < 0)
return ret;
++de;
@@ -348,7 +356,10 @@ static int erofs_read_dir(struct erofs_device fd, erofs_nid_t nid, erofs_nid_t p
return 0;
}
-static int erofs_get_pathname(struct erofs_device fd, erofs_nid_t nid, erofs_nid_t parent_nid,
+static int erofs_get_pathname(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ erofs_nid_t nid, erofs_nid_t parent_nid,
erofs_nid_t target, char *path, unsigned int pos)
{
int err;
@@ -357,10 +368,10 @@ static int erofs_get_pathname(struct erofs_device fd, erofs_nid_t nid, erofs_nid
struct erofs_inode inode = { .nid = nid };
path[pos++] = '/';
- if (target == sbi.root_nid)
+ if (target == sbi->root_nid)
return 0;
- err = erofs_read_inode_from_disk(fd, &inode);
+ err = erofs_read_inode_from_disk(fd, sbi, &inode);
if (err) {
erofs_err("read inode failed @ nid %llu", nid | 0ULL);
return err;
@@ -374,7 +385,7 @@ static int erofs_get_pathname(struct erofs_device fd, erofs_nid_t nid, erofs_nid
struct erofs_dirent *end;
unsigned int nameoff;
- err = erofs_pread(fd, &inode, buf, maxsize, offset);
+ err = erofs_pread(fd, sbi, &inode, buf, maxsize, offset);
if (err)
return err;
@@ -400,7 +411,7 @@ static int erofs_get_pathname(struct erofs_device fd, erofs_nid_t nid, erofs_nid
de->nid != parent_nid &&
de->nid != nid) {
memcpy(path + pos, dname, len);
- err = erofs_get_pathname(fd, de->nid, nid,
+ err = erofs_get_pathname(fd, sbi, de->nid, nid,
target, path, pos + len);
if (!err)
return 0;
@@ -415,16 +426,19 @@ static int erofs_get_pathname(struct erofs_device fd, erofs_nid_t nid, erofs_nid
static int erofsdump_map_blocks(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *inode,
struct erofs_map_blocks *map,
int flags)
{
if (erofs_inode_is_data_compressed(inode->datalayout))
- return z_erofs_map_blocks_iter(erofs_dev, inode, map, flags);
- return erofs_map_blocks(erofs_dev, inode, map, flags);
+ return z_erofs_map_blocks_iter(erofs_dev, sbi, inode, map, flags);
+ return erofs_map_blocks(erofs_dev, sbi, inode, map, flags);
}
-static void erofsdump_show_fileinfo(struct erofs_device fd, bool show_extent)
+static void erofsdump_show_fileinfo(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi, bool show_extent)
{
int err, i;
erofs_off_t size;
@@ -439,7 +453,7 @@ static void erofsdump_show_fileinfo(struct erofs_device fd, bool show_extent)
.m_la = 0,
};
- err = erofs_read_inode_from_disk(fd, &inode);
+ err = erofs_read_inode_from_disk(fd, sbi, &inode);
if (err) {
erofs_err("read inode failed @ nid %llu", inode.nid | 0ULL);
return;
@@ -451,7 +465,7 @@ static void erofsdump_show_fileinfo(struct erofs_device fd, bool show_extent)
return;
}
- err = erofs_get_pathname(fd, sbi.root_nid, sbi.root_nid,
+ err = erofs_get_pathname(fd, sbi, sbi->root_nid, sbi->root_nid,
inode.nid, path, 0);
if (err < 0) {
erofs_err("file path not found @ nid %llu", inode.nid | 0ULL);
@@ -484,7 +498,7 @@ static void erofsdump_show_fileinfo(struct erofs_device fd, bool show_extent)
fprintf(stdout, "\n Ext: logical offset | length : physical offset | length \n");
while (map.m_la < inode.i_size) {
- err = erofsdump_map_blocks(fd, &inode, &map,
+ err = erofsdump_map_blocks(fd, sbi, &inode, &map,
EROFS_GET_BLOCKS_FIEMAP);
if (err) {
erofs_err("get file blocks range failed");
@@ -584,11 +598,13 @@ static void erofsdump_file_statistic(void)
stats.compress_rate);
}
-static void erofsdump_print_statistic(struct erofs_device fd)
+static void erofsdump_print_statistic(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi)
{
int err;
- err = erofs_read_dir(fd, sbi.root_nid, sbi.root_nid);
+ err = erofs_read_dir(fd, sbi, sbi->root_nid, sbi->root_nid);
if (err) {
erofs_err("read dir failed");
return;
@@ -604,7 +620,7 @@ static void erofsdump_print_statistic(struct erofs_device fd)
erofsdump_filetype_distribution(file_types, OTHERFILETYPE);
}
-static void erofsdump_show_superblock(void)
+static void erofsdump_show_superblock(struct erofs_sb_info sbi)
{
time_t time = sbi.build_time;
char uuid_str[37] = "not available";
@@ -643,6 +659,7 @@ int main(int argc, char **argv)
{
int err;
struct erofs_device erofs_dev;
+ struct erofs_sb_info sbi;
erofs_init_global_configure();
err = erofsdump_parse_options_cfg(argc, argv);
@@ -669,10 +686,10 @@ int main(int argc, char **argv)
dumpcfg.totalshow = 1;
}
if (dumpcfg.show_superblock)
- erofsdump_show_superblock();
+ erofsdump_show_superblock(sbi);
if (dumpcfg.show_statistics)
- erofsdump_print_statistic(erofs_dev);
+ erofsdump_print_statistic(erofs_dev, &sbi);
if (dumpcfg.show_extent && !dumpcfg.show_inode) {
usage();
@@ -680,7 +697,7 @@ int main(int argc, char **argv)
}
if (dumpcfg.show_inode)
- erofsdump_show_fileinfo(erofs_dev, dumpcfg.show_extent);
+ erofsdump_show_fileinfo(erofs_dev, &sbi, dumpcfg.show_extent);
exit:
erofs_exit_global_configure();
diff --git a/fsck/main.c b/fsck/main.c
index b69333b..d6ce1a4 100644
--- a/fsck/main.c
+++ b/fsck/main.c
@@ -11,7 +11,10 @@
#include "erofs/io.h"
#include "erofs/decompress.h"
-static void erofs_check_inode(struct erofs_device devfd, erofs_nid_t pnid, erofs_nid_t nid);
+static void erofs_check_inode(
+ struct erofs_device devfd,
+ struct erofs_sb_info *sbi,
+ erofs_nid_t pnid, erofs_nid_t nid);
struct erofsfsck_cfg {
bool corrupted;
@@ -138,7 +141,10 @@ static bool check_special_dentry(struct erofs_dirent *de,
return true;
}
-static int traverse_dirents(struct erofs_device devfd, erofs_nid_t pnid, erofs_nid_t nid,
+static int traverse_dirents(
+ struct erofs_device devfd,
+ struct erofs_sb_info *sbi,
+ erofs_nid_t pnid, erofs_nid_t nid,
void *dentry_blk, erofs_blk_t block,
unsigned int next_nameoff, unsigned int maxsize)
{
@@ -212,7 +218,7 @@ static int traverse_dirents(struct erofs_device devfd, erofs_nid_t pnid, erofs_n
goto out;
}
} else {
- erofs_check_inode(devfd, nid, de->nid);
+ erofs_check_inode(devfd, sbi, nid, de->nid);
}
if (fsckcfg.corrupted) {
@@ -236,7 +242,9 @@ out:
}
static int verify_uncompressed_inode(
- struct erofs_device erofs_dev, struct erofs_inode *inode)
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode)
{
struct erofs_map_blocks map = {
.index = UINT_MAX,
@@ -247,7 +255,7 @@ static int verify_uncompressed_inode(
while (ptr < inode->i_size) {
map.m_la = ptr;
- ret = erofs_map_blocks(erofs_dev, inode, &map, 0);
+ ret = erofs_map_blocks(erofs_dev, sbi, inode, &map, 0);
if (ret)
return ret;
@@ -274,7 +282,10 @@ static int verify_uncompressed_inode(
return 0;
}
-static int verify_compressed_inode(struct erofs_device erofs_dev, struct erofs_inode *inode)
+static int verify_compressed_inode(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode)
{
struct erofs_map_blocks map = {
.index = UINT_MAX,
@@ -288,7 +299,7 @@ static int verify_compressed_inode(struct erofs_device erofs_dev, struct erofs_i
while (end > 0) {
map.m_la = end - 1;
- ret = z_erofs_map_blocks_iter(erofs_dev, inode, &map, 0);
+ ret = z_erofs_map_blocks_iter(erofs_dev, sbi, inode, &map, 0);
if (ret)
goto out;
@@ -336,7 +347,7 @@ static int verify_compressed_inode(struct erofs_device erofs_dev, struct erofs_i
.decodedlength = map.m_llen,
.alg = algorithmformat,
.partial_decoding = 0
- });
+ }, sbi);
if (ret < 0) {
erofs_err("failed to decompress data of m_pa %" PRIu64 ", m_plen %" PRIu64 " @ nid %llu: %d",
@@ -359,7 +370,10 @@ out:
return ret < 0 ? ret : 0;
}
-static int erofs_verify_xattr(struct erofs_device erofs_dev, struct erofs_inode *inode)
+static int erofs_verify_xattr(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode)
{
unsigned int xattr_hdr_size = sizeof(struct erofs_xattr_ibody_header);
unsigned int xattr_entry_size = sizeof(struct erofs_xattr_entry);
@@ -384,7 +398,7 @@ static int erofs_verify_xattr(struct erofs_device erofs_dev, struct erofs_inode
}
}
- addr = iloc(inode->nid) + inode->inode_isize;
+ addr = iloc(sbi, inode->nid) + inode->inode_isize;
ret = dev_read(erofs_dev, buf, addr, xattr_hdr_size);
if (ret < 0) {
erofs_err("failed to read xattr header @ nid %llu: %d",
@@ -437,7 +451,10 @@ out:
return ret;
}
-static int erofs_verify_inode_data(struct erofs_device erofs_dev, struct erofs_inode *inode)
+static int erofs_verify_inode_data(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode)
{
int ret;
@@ -448,11 +465,11 @@ static int erofs_verify_inode_data(struct erofs_device erofs_dev, struct erofs_i
case EROFS_INODE_FLAT_PLAIN:
case EROFS_INODE_FLAT_INLINE:
case EROFS_INODE_CHUNK_BASED:
- ret = verify_uncompressed_inode(erofs_dev, inode);
+ ret = verify_uncompressed_inode(erofs_dev, sbi, inode);
break;
case EROFS_INODE_FLAT_COMPRESSION_LEGACY:
case EROFS_INODE_FLAT_COMPRESSION:
- ret = verify_compressed_inode(erofs_dev, inode);
+ ret = verify_compressed_inode(erofs_dev, sbi, inode);
break;
default:
ret = -EINVAL;
@@ -466,7 +483,10 @@ static int erofs_verify_inode_data(struct erofs_device erofs_dev, struct erofs_i
return ret;
}
-static void erofs_check_inode(struct erofs_device erofs_dev, erofs_nid_t pnid, erofs_nid_t nid)
+static void erofs_check_inode(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ erofs_nid_t pnid, erofs_nid_t nid)
{
int ret;
struct erofs_inode inode;
@@ -476,7 +496,7 @@ static void erofs_check_inode(struct erofs_device erofs_dev, erofs_nid_t pnid, e
erofs_dbg("check inode: nid(%llu)", nid | 0ULL);
inode.nid = nid;
- ret = erofs_read_inode_from_disk(erofs_dev, &inode);
+ ret = erofs_read_inode_from_disk(erofs_dev, sbi, &inode);
if (ret) {
if (ret == -EIO)
erofs_err("I/O error occurred when reading nid(%llu)",
@@ -485,12 +505,12 @@ static void erofs_check_inode(struct erofs_device erofs_dev, erofs_nid_t pnid, e
}
/* verify xattr field */
- ret = erofs_verify_xattr(erofs_dev,&inode);
+ ret = erofs_verify_xattr(erofs_dev, sbi, &inode);
if (ret)
goto out;
/* verify data chunk layout */
- ret = erofs_verify_inode_data(erofs_dev, &inode);
+ ret = erofs_verify_inode_data(erofs_dev, sbi, &inode);
if (ret)
goto out;
@@ -506,7 +526,7 @@ static void erofs_check_inode(struct erofs_device erofs_dev, erofs_nid_t pnid, e
unsigned int nameoff;
- ret = erofs_pread(erofs_dev, &inode, buf, maxsize, offset);
+ ret = erofs_pread(erofs_dev, sbi, &inode, buf, maxsize, offset);
if (ret) {
erofs_err("I/O error occurred when reading dirents @ nid %llu, block %u: %d",
nid | 0ULL, block, ret);
@@ -522,7 +542,7 @@ static void erofs_check_inode(struct erofs_device erofs_dev, erofs_nid_t pnid, e
goto out;
}
- ret = traverse_dirents(erofs_dev, pnid, nid, buf, block,
+ ret = traverse_dirents(erofs_dev, sbi, pnid, nid, buf, block,
nameoff, maxsize);
if (ret)
goto out;
@@ -538,6 +558,7 @@ int main(int argc, char **argv)
{
int err;
struct erofs_device erofs_dev;
+ struct erofs_sb_info sbi;
erofs_init_global_configure();
@@ -571,7 +592,7 @@ int main(int argc, char **argv)
goto exit;
}
- erofs_check_inode(erofs_dev, sbi.root_nid, sbi.root_nid);
+ erofs_check_inode(erofs_dev, &sbi, sbi.root_nid, sbi.root_nid);
if (fsckcfg.corrupted) {
erofs_err("Found some filesystem corruption");
diff --git a/fuse/dir.c b/fuse/dir.c
index 494c915..b7ff635 100644
--- a/fuse/dir.c
+++ b/fuse/dir.c
@@ -10,6 +10,7 @@
// defined in fuse/main.c
extern struct erofs_device erofs_dev;
+extern struct erofs_sb_info sbi;
static int erofs_fill_dentries(struct erofs_inode *dir,
fuse_fill_dir_t filler, void *buf,
@@ -60,7 +61,7 @@ int erofsfuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
erofs_dbg("readdir:%s offset=%llu", path, (long long)offset);
- ret = erofs_ilookup(erofs_dev, path, &dir);
+ ret = erofs_ilookup(erofs_dev, &sbi, path, &dir);
if (ret)
return ret;
@@ -79,7 +80,7 @@ int erofsfuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
maxsize = min_t(unsigned int, EROFS_BLKSIZ,
dir.i_size - pos);
- ret = erofs_pread(erofs_dev, &dir, dblk, maxsize, pos);
+ ret = erofs_pread(erofs_dev, &sbi, &dir, dblk, maxsize, pos);
if (ret)
return ret;
diff --git a/fuse/main.c b/fuse/main.c
index b3e1a3d..37edf46 100644
--- a/fuse/main.c
+++ b/fuse/main.c
@@ -14,6 +14,7 @@
#include "erofs/io.h"
struct erofs_device erofs_dev;
+struct erofs_sb_info sbi;
int erofsfuse_readdir(const char *path, void *buffer, fuse_fill_dir_t filler,
off_t offset, struct fuse_file_info *fi);
@@ -40,7 +41,7 @@ static int erofsfuse_getattr(const char *path, struct stat *stbuf)
int ret;
erofs_dbg("getattr(%s)", path);
- ret = erofs_ilookup(erofs_dev, path, &vi);
+ ret = erofs_ilookup(erofs_dev, &sbi, path, &vi);
if (ret)
return -ENOENT;
@@ -67,11 +68,11 @@ static int erofsfuse_read(const char *path, char *buffer,
erofs_dbg("path:%s size=%zd offset=%llu", path, size, (long long)offset);
- ret = erofs_ilookup(erofs_dev, path, &vi);
+ ret = erofs_ilookup(erofs_dev, &sbi, path, &vi);
if (ret)
return ret;
- ret = erofs_pread(erofs_dev, &vi, buffer, size, offset);
+ ret = erofs_pread(erofs_dev, &sbi, &vi, buffer, size, offset);
if (ret)
return ret;
if (offset >= vi.i_size)
diff --git a/include/erofs/compress.h b/include/erofs/compress.h
index 73834a7..813b8e0 100644
--- a/include/erofs/compress.h
+++ b/include/erofs/compress.h
@@ -16,10 +16,12 @@
int erofs_write_compressed_file(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *inode);
int z_erofs_compress_init(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_buffer_head *bh);
int z_erofs_compress_exit(void);
diff --git a/include/erofs/decompress.h b/include/erofs/decompress.h
index 0ba2b08..4880bfd 100644
--- a/include/erofs/decompress.h
+++ b/include/erofs/decompress.h
@@ -28,6 +28,9 @@ struct z_erofs_decompress_req {
bool partial_decoding;
};
-int z_erofs_decompress(struct z_erofs_decompress_req *rq);
+int z_erofs_decompress(
+ struct z_erofs_decompress_req *rq,
+ struct erofs_sb_info *sbi
+ );
#endif
diff --git a/include/erofs/inode.h b/include/erofs/inode.h
index 5483d04..3b03482 100644
--- a/include/erofs/inode.h
+++ b/include/erofs/inode.h
@@ -12,9 +12,10 @@
void erofs_inode_manager_init(void);
unsigned int erofs_iput(struct erofs_inode *inode);
-erofs_nid_t erofs_lookupnid(struct erofs_inode *inode);
+erofs_nid_t erofs_lookupnid(struct erofs_sb_info *sbi, struct erofs_inode *inode);
struct erofs_inode *erofs_mkfs_build_tree_from_path(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *parent,
const char *path);
diff --git a/include/erofs/internal.h b/include/erofs/internal.h
index 49a883e..ff79fe9 100644
--- a/include/erofs/internal.h
+++ b/include/erofs/internal.h
@@ -68,12 +68,9 @@ struct erofs_sb_info {
u32 checksum;
};
-/* global sbi */
-extern struct erofs_sb_info sbi;
-
-static inline erofs_off_t iloc(erofs_nid_t nid)
+static inline erofs_off_t iloc(struct erofs_sb_info *sbi, erofs_nid_t nid)
{
- return blknr_to_addr(sbi.meta_blkaddr) + (nid << sbi.islotbits);
+ return blknr_to_addr(sbi->meta_blkaddr) + (nid << sbi->islotbits);
}
#define EROFS_FEATURE_FUNCS(name, compat, feature) \
@@ -253,20 +250,31 @@ struct erofs_map_blocks {
int erofs_read_superblock(struct erofs_device devfd, struct erofs_sb_info *sbi);
/* namei.c */
-int erofs_read_inode_from_disk(struct erofs_device fd, struct erofs_inode *vi);
-int erofs_ilookup(struct erofs_device devfd, const char *path, struct erofs_inode *vi);
+int erofs_read_inode_from_disk(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *vi);
+int erofs_ilookup(
+ struct erofs_device devfd,
+ struct erofs_sb_info *sbi,
+ const char *path, struct erofs_inode *vi);
/* data.c */
-int erofs_pread(struct erofs_device fd, struct erofs_inode *inode, char *buf,
+int erofs_pread(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode, char *buf,
erofs_off_t count, erofs_off_t offset);
int erofs_map_blocks(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *inode,
struct erofs_map_blocks *map, int flags);
/* zmap.c */
-int z_erofs_fill_inode(struct erofs_inode *vi);
+int z_erofs_fill_inode(struct erofs_inode *vi, struct erofs_sb_info *sbi);
int z_erofs_map_blocks_iter(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *vi,
struct erofs_map_blocks *map,
int flags);
diff --git a/include/erofs/xattr.h b/include/erofs/xattr.h
index f0c4c26..c8593e1 100644
--- a/include/erofs/xattr.h
+++ b/include/erofs/xattr.h
@@ -42,6 +42,6 @@
int erofs_prepare_xattr_ibody(struct erofs_inode *inode);
char *erofs_export_xattr_ibody(struct list_head *ixattrs, unsigned int size);
-int erofs_build_shared_xattrs_from_path(const char *path);
+int erofs_build_shared_xattrs_from_path(const char *path, struct erofs_sb_info *sbi);
#endif
diff --git a/lib/compress.c b/lib/compress.c
index 766b75b..1e1ffde 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -59,8 +59,10 @@ static void vle_write_indexes_final(struct z_erofs_vle_compress_ctx *ctx)
ctx->metacur += sizeof(di);
}
-static void vle_write_indexes(struct z_erofs_vle_compress_ctx *ctx,
- unsigned int count, bool raw)
+static void vle_write_indexes(
+ struct z_erofs_vle_compress_ctx *ctx,
+ struct erofs_sb_info *sbi,
+ unsigned int count, bool raw)
{
unsigned int clusterofs = ctx->clusterofs;
unsigned int d0 = 0, d1 = (clusterofs + count) / EROFS_BLKSIZ;
@@ -89,7 +91,7 @@ static void vle_write_indexes(struct z_erofs_vle_compress_ctx *ctx,
do {
/* XXX: big pcluster feature should be per-inode */
- if (d0 == 1 && erofs_sb_has_big_pcluster(&sbi)) {
+ if (d0 == 1 && erofs_sb_has_big_pcluster(sbi)) {
type = Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD;
di.di_u.delta[0] = cpu_to_le16(ctx->compressedblks |
Z_EROFS_VLE_DI_D0_CBLKCNT);
@@ -122,6 +124,7 @@ static void vle_write_indexes(struct z_erofs_vle_compress_ctx *ctx,
static int write_uncompressed_extent(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_vle_compress_ctx *ctx,
unsigned int *len, char *dst)
{
@@ -129,7 +132,7 @@ static int write_uncompressed_extent(
unsigned int count;
/* reset clusterofs to 0 if permitted */
- if (!erofs_sb_has_lz4_0padding(&sbi) && ctx->clusterofs &&
+ if (!erofs_sb_has_lz4_0padding(sbi) && ctx->clusterofs &&
ctx->head >= ctx->clusterofs) {
ctx->head -= ctx->clusterofs;
*len += ctx->clusterofs;
@@ -166,6 +169,7 @@ static unsigned int z_erofs_get_max_pclusterblks(struct erofs_inode *inode)
static int vle_compress_one(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *inode,
struct z_erofs_vle_compress_ctx *ctx,
bool final)
@@ -201,7 +205,7 @@ static int vle_compress_one(
erofs_strerror(ret));
}
nocompression:
- ret = write_uncompressed_extent(erofs_dev, ctx, &len, dst);
+ ret = write_uncompressed_extent(erofs_dev, sbi, ctx, &len, dst);
if (ret < 0)
return ret;
count = ret;
@@ -210,14 +214,14 @@ nocompression:
} else {
const unsigned int tailused = ret & (EROFS_BLKSIZ - 1);
const unsigned int padding =
- erofs_sb_has_lz4_0padding(&sbi) && tailused ?
+ erofs_sb_has_lz4_0padding(sbi) && tailused ?
EROFS_BLKSIZ - tailused : 0;
ctx->compressedblks = DIV_ROUND_UP(ret, EROFS_BLKSIZ);
DBG_BUGON(ctx->compressedblks * EROFS_BLKSIZ >= count);
/* zero out garbage trailing data for non-0padding */
- if (!erofs_sb_has_lz4_0padding(&sbi))
+ if (!erofs_sb_has_lz4_0padding(sbi))
memset(dst + ret, 0,
roundup(ret, EROFS_BLKSIZ) - ret);
@@ -234,7 +238,7 @@ nocompression:
ctx->head += count;
/* write compression indexes for this pcluster */
- vle_write_indexes(ctx, count, raw);
+ vle_write_indexes(ctx, sbi, count, raw);
ctx->blkaddr += ctx->compressedblks;
len -= count;
@@ -287,7 +291,9 @@ static void *parse_legacy_indexes(struct z_erofs_compressindex_vec *cv,
return db + nr;
}
-static void *write_compacted_indexes(u8 *out,
+static void *write_compacted_indexes(
+ struct erofs_sb_info *sbi,
+ u8 *out,
struct z_erofs_compressindex_vec *cv,
erofs_blk_t *blkaddr_ret,
unsigned int destsize,
@@ -306,7 +312,7 @@ static void *write_compacted_indexes(u8 *out,
return ERR_PTR(-EINVAL);
encodebits = (vcnt * destsize * 8 - 32) / vcnt;
blkaddr = *blkaddr_ret;
- update_blkaddr = erofs_sb_has_big_pcluster(&sbi);
+ update_blkaddr = erofs_sb_has_big_pcluster(sbi);
pos = 0;
for (i = 0; i < vcnt; ++i) {
@@ -354,7 +360,9 @@ static void *write_compacted_indexes(u8 *out,
return out + destsize * vcnt;
}
-int z_erofs_convert_to_compacted_format(struct erofs_inode *inode,
+int z_erofs_convert_to_compacted_format(
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode,
erofs_blk_t blkaddr,
unsigned int legacymetasize,
void *compressmeta)
@@ -402,7 +410,7 @@ int z_erofs_convert_to_compacted_format(struct erofs_inode *inode,
dummy_head = false;
/* prior to bigpcluster, blkaddr was bumped up once coming into HEAD */
- if (!erofs_sb_has_big_pcluster(&sbi)) {
+ if (!erofs_sb_has_big_pcluster(sbi)) {
--blkaddr;
dummy_head = true;
}
@@ -410,7 +418,7 @@ int z_erofs_convert_to_compacted_format(struct erofs_inode *inode,
/* generate compacted_4b_initial */
while (compacted_4b_initial) {
in = parse_legacy_indexes(cv, 2, in);
- out = write_compacted_indexes(out, cv, &blkaddr,
+ out = write_compacted_indexes(sbi, out, cv, &blkaddr,
4, logical_clusterbits, false,
&dummy_head);
compacted_4b_initial -= 2;
@@ -420,7 +428,7 @@ int z_erofs_convert_to_compacted_format(struct erofs_inode *inode,
/* generate compacted_2b */
while (compacted_2b) {
in = parse_legacy_indexes(cv, 16, in);
- out = write_compacted_indexes(out, cv, &blkaddr,
+ out = write_compacted_indexes(sbi, out, cv, &blkaddr,
2, logical_clusterbits, false,
&dummy_head);
compacted_2b -= 16;
@@ -430,7 +438,7 @@ int z_erofs_convert_to_compacted_format(struct erofs_inode *inode,
/* generate compacted_4b_end */
while (compacted_4b_end > 1) {
in = parse_legacy_indexes(cv, 2, in);
- out = write_compacted_indexes(out, cv, &blkaddr,
+ out = write_compacted_indexes(sbi, out, cv, &blkaddr,
4, logical_clusterbits, false,
&dummy_head);
compacted_4b_end -= 2;
@@ -440,7 +448,7 @@ int z_erofs_convert_to_compacted_format(struct erofs_inode *inode,
if (compacted_4b_end) {
memset(cv, 0, sizeof(cv));
in = parse_legacy_indexes(cv, 1, in);
- out = write_compacted_indexes(out, cv, &blkaddr,
+ out = write_compacted_indexes(sbi, out, cv, &blkaddr,
4, logical_clusterbits, true,
&dummy_head);
}
@@ -464,7 +472,10 @@ static void z_erofs_write_mapheader(struct erofs_inode *inode,
memcpy(compressmeta, &h, sizeof(struct z_erofs_map_header));
}
-int erofs_write_compressed_file(struct erofs_device erofs_dev, struct erofs_inode *inode)
+int erofs_write_compressed_file(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode)
{
struct erofs_buffer_head *bh;
struct z_erofs_vle_compress_ctx ctx;
@@ -499,7 +510,7 @@ int erofs_write_compressed_file(struct erofs_device erofs_dev, struct erofs_inod
inode->datalayout = EROFS_INODE_FLAT_COMPRESSION_LEGACY;
}
- if (erofs_sb_has_big_pcluster(&sbi)) {
+ if (erofs_sb_has_big_pcluster(sbi)) {
inode->z_advise |= Z_EROFS_ADVISE_BIG_PCLUSTER_1;
if (inode->datalayout == EROFS_INODE_FLAT_COMPRESSION)
inode->z_advise |= Z_EROFS_ADVISE_BIG_PCLUSTER_2;
@@ -530,13 +541,13 @@ int erofs_write_compressed_file(struct erofs_device erofs_dev, struct erofs_inod
ctx.tail += readcount;
/* do one compress round */
- ret = vle_compress_one(erofs_dev, inode, &ctx, false);
+ ret = vle_compress_one(erofs_dev, sbi, inode, &ctx, false);
if (ret)
goto err_bdrop;
}
/* do the final round */
- ret = vle_compress_one(erofs_dev, inode, &ctx, true);
+ ret = vle_compress_one(erofs_dev, sbi, inode, &ctx, true);
if (ret)
goto err_bdrop;
@@ -570,7 +581,7 @@ int erofs_write_compressed_file(struct erofs_device erofs_dev, struct erofs_inod
if (inode->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY) {
inode->extent_isize = legacymetasize;
} else {
- ret = z_erofs_convert_to_compacted_format(inode, blkaddr,
+ ret = z_erofs_convert_to_compacted_format(sbi, inode, blkaddr,
legacymetasize,
compressmeta);
DBG_BUGON(ret);
@@ -597,12 +608,15 @@ static int erofs_get_compress_algorithm_id(const char *name)
return -ENOTSUP;
}
-int z_erofs_build_compr_cfgs(struct erofs_device erofs_dev, struct erofs_buffer_head *sb_bh)
+int z_erofs_build_compr_cfgs(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_buffer_head *sb_bh)
{
struct erofs_buffer_head *bh = sb_bh;
int ret = 0;
- if (sbi.available_compr_algs & (1 << Z_EROFS_COMPRESSION_LZ4)) {
+ if (sbi->available_compr_algs & (1 << Z_EROFS_COMPRESSION_LZ4)) {
struct {
__le16 size;
struct z_erofs_lz4_cfgs lz4;
@@ -610,7 +624,7 @@ int z_erofs_build_compr_cfgs(struct erofs_device erofs_dev, struct erofs_buffer_
.size = cpu_to_le16(sizeof(struct z_erofs_lz4_cfgs)),
.lz4 = {
.max_distance =
- cpu_to_le16(sbi.lz4_max_distance),
+ cpu_to_le16(sbi->lz4_max_distance),
.max_pclusterblks = cfg.c_pclusterblks_max,
}
};
@@ -651,10 +665,14 @@ int z_erofs_build_compr_cfgs(struct erofs_device erofs_dev, struct erofs_buffer_
return ret;
}
-int z_erofs_compress_init(struct erofs_device erofs_dev, struct erofs_buffer_head *sb_bh)
+int z_erofs_compress_init(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_buffer_head *sb_bh)
{
/* initialize for primary compression algorithm */
int ret = erofs_compressor_init(&compresshandle,
+ sbi,
cfg.c_compr_alg_master);
if (ret)
@@ -666,7 +684,7 @@ int z_erofs_compress_init(struct erofs_device erofs_dev, struct erofs_buffer_hea
*/
if (!cfg.c_compr_alg_master ||
(cfg.c_legacy_compress && !strcmp(cfg.c_compr_alg_master, "lz4")))
- erofs_sb_clear_lz4_0padding(&sbi);
+ erofs_sb_clear_lz4_0padding(sbi);
if (!cfg.c_compr_alg_master)
return 0;
@@ -694,16 +712,16 @@ int z_erofs_compress_init(struct erofs_device erofs_dev, struct erofs_buffer_hea
cfg.c_pclusterblks_max);
return -EINVAL;
}
- erofs_sb_set_big_pcluster(&sbi);
+ erofs_sb_set_big_pcluster(sbi);
erofs_warn("EXPERIMENTAL big pcluster feature in use. Use at your own risk!");
}
if (ret != Z_EROFS_COMPRESSION_LZ4)
- erofs_sb_set_compr_cfgs(&sbi);
+ erofs_sb_set_compr_cfgs(sbi);
- if (erofs_sb_has_compr_cfgs(&sbi)) {
- sbi.available_compr_algs |= 1 << ret;
- return z_erofs_build_compr_cfgs(erofs_dev, sb_bh);
+ if (erofs_sb_has_compr_cfgs(sbi)) {
+ sbi->available_compr_algs |= 1 << ret;
+ return z_erofs_build_compr_cfgs(erofs_dev, sbi, sb_bh);
}
return 0;
}
diff --git a/lib/compressor.c b/lib/compressor.c
index 6362825..3b8d193 100644
--- a/lib/compressor.c
+++ b/lib/compressor.c
@@ -62,7 +62,10 @@ int erofs_compressor_setlevel(struct erofs_compress *c, int compression_level)
return 0;
}
-int erofs_compressor_init(struct erofs_compress *c, char *alg_name)
+int erofs_compressor_init(
+ struct erofs_compress *c,
+ struct erofs_sb_info *sbi,
+ char *alg_name)
{
int ret, i;
@@ -84,7 +87,7 @@ int erofs_compressor_init(struct erofs_compress *c, char *alg_name)
if (alg_name && strcmp(alg_name, compressors[i]->name))
continue;
- ret = compressors[i]->init(c);
+ ret = compressors[i]->init(c, sbi);
if (!ret) {
DBG_BUGON(!c->alg);
return 0;
diff --git a/lib/compressor.h b/lib/compressor.h
index 1ea2724..446c013 100644
--- a/lib/compressor.h
+++ b/lib/compressor.h
@@ -10,6 +10,7 @@
#include "erofs/defs.h"
struct erofs_compress;
+struct erofs_sb_info;
struct erofs_compressor {
const char *name;
@@ -17,7 +18,7 @@ struct erofs_compressor {
int default_level;
int best_level;
- int (*init)(struct erofs_compress *c);
+ int (*init)(struct erofs_compress *c, struct erofs_sb_info *sbi);
int (*exit)(struct erofs_compress *c);
int (*setlevel)(struct erofs_compress *c, int compression_level);
@@ -50,7 +51,7 @@ int erofs_compress_destsize(struct erofs_compress *c,
void *dst, unsigned int dstsize);
int erofs_compressor_setlevel(struct erofs_compress *c, int compression_level);
-int erofs_compressor_init(struct erofs_compress *c, char *alg_name);
+int erofs_compressor_init(struct erofs_compress *c, struct erofs_sb_info *sbi, char *alg_name);
int erofs_compressor_exit(struct erofs_compress *c);
#endif
diff --git a/lib/compressor_lz4.c b/lib/compressor_lz4.c
index fc8c23c..ffdbb9f 100644
--- a/lib/compressor_lz4.c
+++ b/lib/compressor_lz4.c
@@ -30,10 +30,12 @@ static int compressor_lz4_exit(struct erofs_compress *c)
return 0;
}
-static int compressor_lz4_init(struct erofs_compress *c)
+static int compressor_lz4_init(
+ struct erofs_compress *c,
+ struct erofs_sb_info *sbi)
{
c->alg = &erofs_compressor_lz4;
- sbi.lz4_max_distance = LZ4_DISTANCE_MAX;
+ sbi->lz4_max_distance = LZ4_DISTANCE_MAX;
return 0;
}
diff --git a/lib/compressor_lz4hc.c b/lib/compressor_lz4hc.c
index 3f68b00..f573cd2 100644
--- a/lib/compressor_lz4hc.c
+++ b/lib/compressor_lz4hc.c
@@ -36,7 +36,7 @@ static int compressor_lz4hc_exit(struct erofs_compress *c)
return 0;
}
-static int compressor_lz4hc_init(struct erofs_compress *c)
+static int compressor_lz4hc_init(struct erofs_compress *c, struct erofs_sb_info *sbi)
{
c->alg = &erofs_compressor_lz4hc;
@@ -44,7 +44,7 @@ static int compressor_lz4hc_init(struct erofs_compress *c)
if (!c->private_data)
return -ENOMEM;
- sbi.lz4_max_distance = LZ4_DISTANCE_MAX;
+ sbi->lz4_max_distance = LZ4_DISTANCE_MAX;
return 0;
}
diff --git a/lib/config.c b/lib/config.c
index 7488e08..7313588 100644
--- a/lib/config.c
+++ b/lib/config.c
@@ -10,7 +10,6 @@
#include "erofs/internal.h"
struct erofs_configure cfg;
-struct erofs_sb_info sbi;
void erofs_init_config(struct erofs_configure *cfg)
{
diff --git a/lib/data.c b/lib/data.c
index d9d20ec..e6fe1d6 100644
--- a/lib/data.c
+++ b/lib/data.c
@@ -10,9 +10,11 @@
#include "erofs/trace.h"
#include "erofs/decompress.h"
-static int erofs_map_blocks_flatmode(struct erofs_inode *inode,
- struct erofs_map_blocks *map,
- int flags)
+static int erofs_map_blocks_flatmode(
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode,
+ struct erofs_map_blocks *map,
+ int flags)
{
int err = 0;
erofs_blk_t nblocks, lastblk;
@@ -33,7 +35,7 @@ static int erofs_map_blocks_flatmode(struct erofs_inode *inode,
map->m_plen = blknr_to_addr(lastblk) - offset;
} else if (tailendpacking) {
/* 2 - inode inline B: inode, [xattrs], inline last blk... */
- map->m_pa = iloc(vi->nid) + vi->inode_isize +
+ map->m_pa = iloc(sbi, vi->nid) + vi->inode_isize +
vi->xattr_isize + erofs_blkoff(map->m_la);
map->m_plen = inode->i_size - offset;
@@ -63,6 +65,7 @@ err_out:
int erofs_map_blocks(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *inode,
struct erofs_map_blocks *map, int flags)
{
@@ -82,7 +85,7 @@ int erofs_map_blocks(
}
if (vi->datalayout != EROFS_INODE_CHUNK_BASED)
- return erofs_map_blocks_flatmode(inode, map, flags);
+ return erofs_map_blocks_flatmode(sbi, inode, map, flags);
if (vi->u.chunkformat & EROFS_CHUNK_FORMAT_INDEXES)
unit = sizeof(*idx); /* chunk index */
@@ -90,7 +93,7 @@ int erofs_map_blocks(
unit = EROFS_BLOCK_MAP_ENTRY_SIZE; /* block map */
chunknr = map->m_la >> vi->u.chunkbits;
- pos = roundup(iloc(vi->nid) + vi->inode_isize +
+ pos = roundup(iloc(sbi, vi->nid) + vi->inode_isize +
vi->xattr_isize, unit) + unit * chunknr;
err = blk_read(erofs_dev, buf, erofs_blknr(pos), 1);
@@ -137,7 +140,10 @@ out:
return err;
}
-static int erofs_read_raw_data(struct erofs_device erofs_dev, struct erofs_inode *inode, char *buffer,
+static int erofs_read_raw_data(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode, char *buffer,
erofs_off_t size, erofs_off_t offset)
{
struct erofs_map_blocks map = {
@@ -151,7 +157,7 @@ static int erofs_read_raw_data(struct erofs_device erofs_dev, struct erofs_inode
erofs_off_t eend;
map.m_la = ptr;
- ret = erofs_map_blocks(erofs_dev, inode, &map, 0);
+ ret = erofs_map_blocks(erofs_dev, sbi, inode, &map, 0);
if (ret)
return ret;
@@ -188,6 +194,7 @@ static int erofs_read_raw_data(struct erofs_device erofs_dev, struct erofs_inode
static int z_erofs_read_data(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *inode,
char *buffer,
erofs_off_t size,
@@ -207,7 +214,7 @@ static int z_erofs_read_data(
while (end > offset) {
map.m_la = end - 1;
- ret = z_erofs_map_blocks_iter(erofs_dev, inode, &map, 0);
+ ret = z_erofs_map_blocks_iter(erofs_dev, sbi, inode, &map, 0);
if (ret)
break;
@@ -263,7 +270,7 @@ static int z_erofs_read_data(
.decodedlength = length,
.alg = algorithmformat,
.partial_decoding = partial
- });
+ }, sbi);
if (ret < 0)
break;
}
@@ -272,17 +279,20 @@ static int z_erofs_read_data(
return ret < 0 ? ret : 0;
}
-int erofs_pread(struct erofs_device fd, struct erofs_inode *inode, char *buf,
+int erofs_pread(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode, char *buf,
erofs_off_t count, erofs_off_t offset)
{
switch (inode->datalayout) {
case EROFS_INODE_FLAT_PLAIN:
case EROFS_INODE_FLAT_INLINE:
case EROFS_INODE_CHUNK_BASED:
- return erofs_read_raw_data(fd, inode, buf, count, offset);
+ return erofs_read_raw_data(fd, sbi, inode, buf, count, offset);
case EROFS_INODE_FLAT_COMPRESSION_LEGACY:
case EROFS_INODE_FLAT_COMPRESSION:
- return z_erofs_read_data(fd, inode, buf, count, offset);
+ return z_erofs_read_data(fd, sbi, inode, buf, count, offset);
default:
break;
}
diff --git a/lib/decompress.c b/lib/decompress.c
index 6a60400..483bd52 100644
--- a/lib/decompress.c
+++ b/lib/decompress.c
@@ -12,7 +12,7 @@
#ifdef HAVE_LIBLZMA
#include <lzma.h>
-static int z_erofs_decompress_lzma(struct z_erofs_decompress_req *rq)
+static int z_erofs_decompress_lzma(struct z_erofs_decompress_req *rq, struct erofs_sb_info *sbi)
{
int ret = 0;
u8 *dest = (u8 *)rq->out;
@@ -73,7 +73,7 @@ out:
#ifdef LZ4_ENABLED
#include <lz4.h>
-static int z_erofs_decompress_lz4(struct z_erofs_decompress_req *rq)
+static int z_erofs_decompress_lz4(struct z_erofs_decompress_req *rq, struct erofs_sb_info *sbi)
{
int ret = 0;
char *dest = rq->out;
@@ -82,7 +82,7 @@ static int z_erofs_decompress_lz4(struct z_erofs_decompress_req *rq)
bool support_0padding = false;
unsigned int inputmargin = 0;
- if (erofs_sb_has_lz4_0padding(&sbi)) {
+ if (erofs_sb_has_lz4_0padding(sbi)) {
support_0padding = true;
while (!src[inputmargin & ~PAGE_MASK])
@@ -126,7 +126,7 @@ out:
}
#endif
-int z_erofs_decompress(struct z_erofs_decompress_req *rq)
+int z_erofs_decompress(struct z_erofs_decompress_req *rq, struct erofs_sb_info *sbi)
{
if (rq->alg == Z_EROFS_COMPRESSION_SHIFTED) {
if (rq->inputsize != EROFS_BLKSIZ)
@@ -142,11 +142,11 @@ int z_erofs_decompress(struct z_erofs_decompress_req *rq)
#ifdef LZ4_ENABLED
if (rq->alg == Z_EROFS_COMPRESSION_LZ4)
- return z_erofs_decompress_lz4(rq);
+ return z_erofs_decompress_lz4(rq, sbi);
#endif
#ifdef HAVE_LIBLZMA
if (rq->alg == Z_EROFS_COMPRESSION_LZMA)
- return z_erofs_decompress_lzma(rq);
+ return z_erofs_decompress_lzma(rq, sbi);
#endif
return -EOPNOTSUPP;
}
diff --git a/lib/inode.c b/lib/inode.c
index d1adb49..70525fa 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -387,7 +387,10 @@ static int write_uncompressed_file_from_fd(
return 0;
}
-int erofs_write_file(struct erofs_device erofs_dev, struct erofs_inode *inode)
+int erofs_write_file(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *inode)
{
int ret, fd;
@@ -403,7 +406,7 @@ int erofs_write_file(struct erofs_device erofs_dev, struct erofs_inode *inode)
}
if (cfg.c_compr_alg_master && erofs_file_is_compressible(inode)) {
- ret = erofs_write_compressed_file(erofs_dev, inode);
+ ret = erofs_write_compressed_file(erofs_dev, sbi, inode);
if (!ret || ret != -ENOSPC)
return ret;
@@ -799,7 +802,9 @@ static int erofs_droid_inode_fsconfig(struct erofs_inode *inode,
}
#endif
-static int erofs_fill_inode(struct erofs_inode *inode,
+static int erofs_fill_inode(
+ struct erofs_inode *inode,
+ struct erofs_sb_info *sbi,
struct stat64 *st,
const char *path)
{
@@ -815,11 +820,11 @@ static int erofs_fill_inode(struct erofs_inode *inode,
switch (cfg.c_timeinherit) {
case TIMESTAMP_CLAMPING:
- if (st->st_ctime < sbi.build_time)
+ if (st->st_ctime < sbi->build_time)
break;
case TIMESTAMP_FIXED:
- inode->i_ctime = sbi.build_time;
- inode->i_ctime_nsec = sbi.build_time_nsec;
+ inode->i_ctime = sbi->build_time;
+ inode->i_ctime_nsec = sbi->build_time_nsec;
default:
break;
}
@@ -865,7 +870,7 @@ static int erofs_fill_inode(struct erofs_inode *inode,
return 0;
}
-static struct erofs_inode *erofs_new_inode(void)
+static struct erofs_inode *erofs_new_inode(struct erofs_sb_info *sbi)
{
struct erofs_inode *inode;
@@ -873,7 +878,7 @@ static struct erofs_inode *erofs_new_inode(void)
if (!inode)
return ERR_PTR(-ENOMEM);
- inode->i_ino[0] = sbi.inos++; /* inode serial number */
+ inode->i_ino[0] = sbi->inos++; /* inode serial number */
inode->i_count = 1;
init_list_head(&inode->i_subdirs);
@@ -882,7 +887,8 @@ static struct erofs_inode *erofs_new_inode(void)
}
/* get the inode from the (source) path */
-static struct erofs_inode *erofs_iget_from_path(const char *path, bool is_src)
+static struct erofs_inode *erofs_iget_from_path(
+ struct erofs_sb_info *sbi, const char *path, bool is_src)
{
struct stat64 st;
struct erofs_inode *inode;
@@ -908,11 +914,11 @@ static struct erofs_inode *erofs_iget_from_path(const char *path, bool is_src)
}
/* cannot find in the inode cache */
- inode = erofs_new_inode();
+ inode = erofs_new_inode(sbi);
if (IS_ERR(inode))
return inode;
- ret = erofs_fill_inode(inode, &st, path);
+ ret = erofs_fill_inode(inode, sbi, &st, path);
if (ret) {
free(inode);
return ERR_PTR(ret);
@@ -921,7 +927,7 @@ static struct erofs_inode *erofs_iget_from_path(const char *path, bool is_src)
return inode;
}
-static void erofs_fixup_meta_blkaddr(struct erofs_inode *rootdir)
+static void erofs_fixup_meta_blkaddr(struct erofs_sb_info *sbi, struct erofs_inode *rootdir)
{
const erofs_off_t rootnid_maxoffset = 0xffff << EROFS_ISLOTBITS;
struct erofs_buffer_head *const bh = rootdir->bh;
@@ -934,11 +940,11 @@ static void erofs_fixup_meta_blkaddr(struct erofs_inode *rootdir)
meta_offset = round_up(off - rootnid_maxoffset, EROFS_BLKSIZ);
else
meta_offset = 0;
- sbi.meta_blkaddr = erofs_blknr(meta_offset);
+ sbi->meta_blkaddr = erofs_blknr(meta_offset);
rootdir->nid = (off - meta_offset) >> EROFS_ISLOTBITS;
}
-erofs_nid_t erofs_lookupnid(struct erofs_inode *inode)
+erofs_nid_t erofs_lookupnid(struct erofs_sb_info *sbi, struct erofs_inode *inode)
{
struct erofs_buffer_head *const bh = inode->bh;
erofs_off_t off, meta_offset;
@@ -949,21 +955,24 @@ erofs_nid_t erofs_lookupnid(struct erofs_inode *inode)
erofs_mapbh(bh->block);
off = erofs_btell(bh, false);
- meta_offset = blknr_to_addr(sbi.meta_blkaddr);
+ meta_offset = blknr_to_addr(sbi->meta_blkaddr);
DBG_BUGON(off < meta_offset);
return inode->nid = (off - meta_offset) >> EROFS_ISLOTBITS;
}
-static void erofs_d_invalidate(struct erofs_dentry *d)
+static void erofs_d_invalidate(
+ struct erofs_sb_info *sbi, struct erofs_dentry *d)
{
struct erofs_inode *const inode = d->inode;
- d->nid = erofs_lookupnid(inode);
+ d->nid = erofs_lookupnid(sbi, inode);
erofs_iput(inode);
}
static struct erofs_inode *erofs_mkfs_build_tree(
- struct erofs_device erofs_dev, struct erofs_inode *dir)
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *dir)
{
int ret;
DIR *_dir;
@@ -992,7 +1001,7 @@ static struct erofs_inode *erofs_mkfs_build_tree(
if (ret)
return ERR_PTR(ret);
} else {
- ret = erofs_write_file(erofs_dev, dir);
+ ret = erofs_write_file(erofs_dev, sbi, dir);
if (ret)
return ERR_PTR(ret);
}
@@ -1055,14 +1064,14 @@ static struct erofs_inode *erofs_mkfs_build_tree(
goto err;
if (IS_ROOT(dir))
- erofs_fixup_meta_blkaddr(dir);
+ erofs_fixup_meta_blkaddr(sbi, dir);
list_for_each_entry(d, &dir->i_subdirs, d_child) {
char buf[PATH_MAX];
unsigned char ftype;
if (is_dot_dotdot(d->name)) {
- erofs_d_invalidate(d);
+ erofs_d_invalidate(sbi, d);
continue;
}
@@ -1073,7 +1082,7 @@ static struct erofs_inode *erofs_mkfs_build_tree(
goto fail;
}
- d->inode = erofs_mkfs_build_tree_from_path(erofs_dev, dir, buf);
+ d->inode = erofs_mkfs_build_tree_from_path(erofs_dev, sbi, dir, buf);
if (IS_ERR(d->inode)) {
ret = PTR_ERR(d->inode);
fail:
@@ -1086,7 +1095,7 @@ fail:
DBG_BUGON(ftype == EROFS_FT_DIR && d->type != ftype);
d->type = ftype;
- erofs_d_invalidate(d);
+ erofs_d_invalidate(sbi, d);
erofs_info("add file %s/%s (nid %llu, type %d)",
dir->i_srcpath, d->name, (unsigned long long)d->nid,
d->type);
@@ -1103,10 +1112,11 @@ err:
struct erofs_inode *erofs_mkfs_build_tree_from_path(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *parent,
const char *path)
{
- struct erofs_inode *const inode = erofs_iget_from_path(path, true);
+ struct erofs_inode *const inode = erofs_iget_from_path(sbi, path, true);
if (IS_ERR(inode))
return inode;
@@ -1123,5 +1133,5 @@ struct erofs_inode *erofs_mkfs_build_tree_from_path(
else
inode->i_parent = inode; /* rootdir mark */
- return erofs_mkfs_build_tree(erofs_dev, inode);
+ return erofs_mkfs_build_tree(erofs_dev, sbi, inode);
}
diff --git a/lib/namei.c b/lib/namei.c
index 57041f5..ac65425 100644
--- a/lib/namei.c
+++ b/lib/namei.c
@@ -22,13 +22,16 @@ static dev_t erofs_new_decode_dev(u32 dev)
return makedev(major, minor);
}
-int erofs_read_inode_from_disk(struct erofs_device fd, struct erofs_inode *vi)
+int erofs_read_inode_from_disk(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *vi)
{
int ret, ifmt;
char buf[sizeof(struct erofs_inode_extended)];
struct erofs_inode_compact *dic;
struct erofs_inode_extended *die;
- const erofs_off_t inode_loc = iloc(vi->nid);
+ const erofs_off_t inode_loc = iloc(sbi, vi->nid);
ret = dev_read(fd, buf, inode_loc, sizeof(*dic));
if (ret < 0)
@@ -114,8 +117,8 @@ int erofs_read_inode_from_disk(struct erofs_device fd, struct erofs_inode *vi)
vi->i_gid = le16_to_cpu(dic->i_gid);
vi->i_nlink = le16_to_cpu(dic->i_nlink);
- vi->i_ctime = sbi.build_time;
- vi->i_ctime_nsec = sbi.build_time_nsec;
+ vi->i_ctime = sbi->build_time;
+ vi->i_ctime_nsec = sbi->build_time_nsec;
vi->i_size = le32_to_cpu(dic->i_size);
if (vi->datalayout == EROFS_INODE_CHUNK_BASED)
@@ -137,7 +140,7 @@ int erofs_read_inode_from_disk(struct erofs_device fd, struct erofs_inode *vi)
vi->u.chunkbits = LOG_BLOCK_SIZE +
(vi->u.chunkformat & EROFS_CHUNK_FORMAT_BLKBITS_MASK);
} else if (erofs_inode_is_data_compressed(vi->datalayout))
- z_erofs_fill_inode(vi);
+ z_erofs_fill_inode(vi, sbi);
return 0;
bogusimode:
erofs_err("bogus i_mode (%o) @ nid %llu", vi->i_mode, vi->nid | 0ULL);
@@ -187,7 +190,10 @@ struct nameidata {
unsigned int ftype;
};
-int erofs_namei(struct erofs_device fd, struct nameidata *nd,
+int erofs_namei(
+ struct erofs_device fd,
+ struct erofs_sb_info *sbi,
+ struct nameidata *nd,
const char *name, unsigned int len)
{
erofs_nid_t nid = nd->nid;
@@ -196,7 +202,7 @@ int erofs_namei(struct erofs_device fd, struct nameidata *nd,
struct erofs_inode vi = { .nid = nid };
erofs_off_t offset;
- ret = erofs_read_inode_from_disk(fd, &vi);
+ ret = erofs_read_inode_from_disk(fd, sbi, &vi);
if (ret)
return ret;
@@ -207,7 +213,7 @@ int erofs_namei(struct erofs_device fd, struct nameidata *nd,
struct erofs_dirent *de = (void *)buf;
unsigned int nameoff;
- ret = erofs_pread(fd, &vi, buf, maxsize, offset);
+ ret = erofs_pread(fd, sbi, &vi, buf, maxsize, offset);
if (ret)
return ret;
@@ -233,9 +239,12 @@ int erofs_namei(struct erofs_device fd, struct nameidata *nd,
return -ENOENT;
}
-static int link_path_walk(struct erofs_device devfd, const char *name, struct nameidata *nd)
+static int link_path_walk(
+ struct erofs_device devfd,
+ struct erofs_sb_info *sbi,
+ const char *name, struct nameidata *nd)
{
- nd->nid = sbi.root_nid;
+ nd->nid = sbi->root_nid;
while (*name == '/')
name++;
@@ -250,7 +259,7 @@ static int link_path_walk(struct erofs_device devfd, const char *name, struct na
} while (*p != '\0' && *p != '/');
DBG_BUGON(p <= name);
- ret = erofs_namei(devfd, nd, name, p - name);
+ ret = erofs_namei(devfd, sbi, nd, name, p - name);
if (ret)
return ret;
@@ -262,15 +271,18 @@ static int link_path_walk(struct erofs_device devfd, const char *name, struct na
return 0;
}
-int erofs_ilookup(struct erofs_device devfd, const char *path, struct erofs_inode *vi)
+int erofs_ilookup(
+ struct erofs_device devfd,
+ struct erofs_sb_info *sbi,
+ const char *path, struct erofs_inode *vi)
{
int ret;
struct nameidata nd;
- ret = link_path_walk(devfd, path, &nd);
+ ret = link_path_walk(devfd, sbi, path, &nd);
if (ret)
return ret;
vi->nid = nd.nid;
- return erofs_read_inode_from_disk(devfd, vi);
+ return erofs_read_inode_from_disk(devfd, sbi, vi);
}
diff --git a/lib/xattr.c b/lib/xattr.c
index 9f16664..7a1ed9e 100644
--- a/lib/xattr.c
+++ b/lib/xattr.c
@@ -564,7 +564,7 @@ static struct erofs_bhops erofs_write_shared_xattrs_bhops = {
.flush = erofs_bh_flush_write_shared_xattrs,
};
-int erofs_build_shared_xattrs_from_path(const char *path)
+int erofs_build_shared_xattrs_from_path(const char *path, struct erofs_sb_info *sbi)
{
int ret;
struct erofs_buffer_head *bh;
@@ -604,7 +604,7 @@ int erofs_build_shared_xattrs_from_path(const char *path)
erofs_mapbh(bh->block);
off = erofs_btell(bh, false);
- sbi.xattr_blkaddr = off / EROFS_BLKSIZ;
+ sbi->xattr_blkaddr = off / EROFS_BLKSIZ;
off %= EROFS_BLKSIZ;
p = 0;
diff --git a/lib/zmap.c b/lib/zmap.c
index 69fef80..e6e9858 100644
--- a/lib/zmap.c
+++ b/lib/zmap.c
@@ -10,9 +10,9 @@
#include "erofs/io.h"
#include "erofs/print.h"
-int z_erofs_fill_inode(struct erofs_inode *vi)
+int z_erofs_fill_inode(struct erofs_inode *vi, struct erofs_sb_info *sbi)
{
- if (!erofs_sb_has_big_pcluster(&sbi) &&
+ if (!erofs_sb_has_big_pcluster(sbi) &&
vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY) {
vi->z_advise = 0;
vi->z_algorithmtype[0] = 0;
@@ -24,7 +24,10 @@ int z_erofs_fill_inode(struct erofs_inode *vi)
return 0;
}
-static int z_erofs_fill_inode_lazy(struct erofs_device erofs_dev, struct erofs_inode *vi)
+static int z_erofs_fill_inode_lazy(
+ struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
+ struct erofs_inode *vi)
{
int ret;
erofs_off_t pos;
@@ -34,9 +37,9 @@ static int z_erofs_fill_inode_lazy(struct erofs_device erofs_dev, struct erofs_i
if (vi->flags & EROFS_I_Z_INITED)
return 0;
- DBG_BUGON(!erofs_sb_has_big_pcluster(&sbi) &&
+ DBG_BUGON(!erofs_sb_has_big_pcluster(sbi) &&
vi->datalayout == EROFS_INODE_FLAT_COMPRESSION_LEGACY);
- pos = round_up(iloc(vi->nid) + vi->inode_isize + vi->xattr_isize, 8);
+ pos = round_up(iloc(sbi, vi->nid) + vi->inode_isize + vi->xattr_isize, 8);
ret = dev_read(erofs_dev, buf, pos, sizeof(buf));
if (ret < 0)
@@ -101,11 +104,12 @@ static int z_erofs_reload_indexes(
static int legacy_load_cluster_from_disk(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_maprecorder *m,
unsigned long lcn)
{
struct erofs_inode *const vi = m->inode;
- const erofs_off_t ibase = iloc(vi->nid);
+ const erofs_off_t ibase = iloc(sbi, vi->nid);
const erofs_off_t pos =
Z_EROFS_VLE_LEGACY_INDEX_ALIGN(ibase + vi->inode_isize +
vi->xattr_isize) +
@@ -295,12 +299,13 @@ static int unpack_compacted_index(struct z_erofs_maprecorder *m,
static int compacted_load_cluster_from_disk(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_maprecorder *m,
unsigned long lcn, bool lookahead)
{
struct erofs_inode *const vi = m->inode;
const unsigned int lclusterbits = vi->z_logical_clusterbits;
- const erofs_off_t ebase = round_up(iloc(vi->nid) + vi->inode_isize +
+ const erofs_off_t ebase = round_up(iloc(sbi, vi->nid) + vi->inode_isize +
vi->xattr_isize, 8) +
sizeof(struct z_erofs_map_header);
const unsigned int totalidx = DIV_ROUND_UP(vi->i_size, EROFS_BLKSIZ);
@@ -352,22 +357,24 @@ out:
static int z_erofs_load_cluster_from_disk(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_maprecorder *m,
unsigned int lcn, bool lookahead)
{
const unsigned int datamode = m->inode->datalayout;
if (datamode == EROFS_INODE_FLAT_COMPRESSION_LEGACY)
- return legacy_load_cluster_from_disk(erofs_dev, m, lcn);
+ return legacy_load_cluster_from_disk(erofs_dev, sbi, m, lcn);
if (datamode == EROFS_INODE_FLAT_COMPRESSION)
- return compacted_load_cluster_from_disk(erofs_dev, m, lcn, lookahead);
+ return compacted_load_cluster_from_disk(erofs_dev, sbi, m, lcn, lookahead);
return -EINVAL;
}
static int z_erofs_extent_lookback(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_maprecorder *m,
unsigned int lookback_distance)
{
@@ -386,7 +393,7 @@ static int z_erofs_extent_lookback(
/* load extent head logical cluster if needed */
lcn -= lookback_distance;
- err = z_erofs_load_cluster_from_disk(erofs_dev, m, lcn, false);
+ err = z_erofs_load_cluster_from_disk(erofs_dev, sbi, m, lcn, false);
if (err)
return err;
@@ -398,7 +405,7 @@ static int z_erofs_extent_lookback(
DBG_BUGON(1);
return -EFSCORRUPTED;
}
- return z_erofs_extent_lookback(erofs_dev, m, m->delta[0]);
+ return z_erofs_extent_lookback(erofs_dev, sbi, m, m->delta[0]);
case Z_EROFS_VLE_CLUSTER_TYPE_PLAIN:
map->m_flags &= ~EROFS_MAP_ZIPPED;
/* fallthrough */
@@ -416,6 +423,7 @@ static int z_erofs_extent_lookback(
static int z_erofs_get_extent_compressedlen(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_maprecorder *m,
unsigned int initial_lcn)
{
@@ -437,7 +445,7 @@ static int z_erofs_get_extent_compressedlen(
if (m->compressedlcs)
goto out;
- err = z_erofs_load_cluster_from_disk(erofs_dev, m, lcn, false);
+ err = z_erofs_load_cluster_from_disk(erofs_dev, sbi, m, lcn, false);
if (err)
return err;
@@ -485,6 +493,7 @@ err_bonus_cblkcnt:
static int z_erofs_get_extent_decompressedlen(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct z_erofs_maprecorder *m)
{
struct erofs_inode *const vi = m->inode;
@@ -500,7 +509,7 @@ static int z_erofs_get_extent_decompressedlen(
return 0;
}
- err = z_erofs_load_cluster_from_disk(erofs_dev, m, lcn, true);
+ err = z_erofs_load_cluster_from_disk(erofs_dev, sbi, m, lcn, true);
if (err)
return err;
@@ -529,6 +538,7 @@ static int z_erofs_get_extent_decompressedlen(
int z_erofs_map_blocks_iter(
struct erofs_device erofs_dev,
+ struct erofs_sb_info *sbi,
struct erofs_inode *vi,
struct erofs_map_blocks *map,
int flags)
@@ -551,7 +561,7 @@ int z_erofs_map_blocks_iter(
goto out;
}
- err = z_erofs_fill_inode_lazy(erofs_dev, vi);
+ err = z_erofs_fill_inode_lazy(erofs_dev, sbi, vi);
if (err)
goto out;
@@ -560,7 +570,7 @@ int z_erofs_map_blocks_iter(
initial_lcn = ofs >> lclusterbits;
endoff = ofs & ((1 << lclusterbits) - 1);
- err = z_erofs_load_cluster_from_disk(erofs_dev, &m, initial_lcn, false);
+ err = z_erofs_load_cluster_from_disk(erofs_dev, sbi, &m, initial_lcn, false);
if (err)
goto out;
@@ -589,7 +599,7 @@ int z_erofs_map_blocks_iter(
/* fallthrough */
case Z_EROFS_VLE_CLUSTER_TYPE_NONHEAD:
/* get the correspoinding first chunk */
- err = z_erofs_extent_lookback(erofs_dev, &m, m.delta[0]);
+ err = z_erofs_extent_lookback(erofs_dev, sbi, &m, m.delta[0]);
if (err)
goto out;
break;
@@ -604,12 +614,12 @@ int z_erofs_map_blocks_iter(
map->m_pa = blknr_to_addr(m.pblk);
map->m_flags |= EROFS_MAP_MAPPED;
- err = z_erofs_get_extent_compressedlen(erofs_dev, &m, initial_lcn);
+ err = z_erofs_get_extent_compressedlen(erofs_dev, sbi, &m, initial_lcn);
if (err)
goto out;
if (flags & EROFS_GET_BLOCKS_FIEMAP) {
- err = z_erofs_get_extent_decompressedlen(erofs_dev, &m);
+ err = z_erofs_get_extent_decompressedlen(erofs_dev, sbi, &m);
if (!err)
map->m_flags |= EROFS_MAP_FULL_MAPPED;
}
diff --git a/mkfs/main.c b/mkfs/main.c
index 16f8060..f7b432e 100644
--- a/mkfs/main.c
+++ b/mkfs/main.c
@@ -109,7 +109,7 @@ static void usage(void)
print_available_compressors(stderr, ", ");
}
-static int parse_extended_opts(const char *opts)
+static int parse_extended_opts(struct erofs_sb_info *sbi, const char *opts)
{
#define MATCH_EXTENTED_OPT(opt, token, keylen) \
(keylen == sizeof(opt) - 1 && !memcmp(token, opt, sizeof(opt) - 1))
@@ -164,7 +164,7 @@ static int parse_extended_opts(const char *opts)
if (MATCH_EXTENTED_OPT("nosbcrc", token, keylen)) {
if (vallen)
return -EINVAL;
- erofs_sb_clear_sb_chksum(&sbi);
+ erofs_sb_clear_sb_chksum(sbi);
}
if (MATCH_EXTENTED_OPT("noinline_data", token, keylen)) {
@@ -176,7 +176,7 @@ static int parse_extended_opts(const char *opts)
return 0;
}
-static int mkfs_parse_options_cfg(int argc, char *argv[])
+static int mkfs_parse_options_cfg(struct erofs_sb_info *sbi, int argc, char *argv[])
{
char *endptr;
int opt, i;
@@ -221,7 +221,7 @@ static int mkfs_parse_options_cfg(int argc, char *argv[])
break;
case 'E':
- opt = parse_extended_opts(optarg);
+ opt = parse_extended_opts(sbi, optarg);
if (opt)
return opt;
break;
@@ -235,7 +235,7 @@ static int mkfs_parse_options_cfg(int argc, char *argv[])
break;
#ifdef HAVE_LIBUUID
case 'U':
- if (uuid_parse(optarg, sbi.uuid)) {
+ if (uuid_parse(optarg, sbi->uuid)) {
erofs_err("invalid UUID %s", optarg);
return -EINVAL;
}
@@ -343,7 +343,7 @@ static int mkfs_parse_options_cfg(int argc, char *argv[])
optarg);
return -EINVAL;
}
- erofs_sb_set_chunked_file(&sbi);
+ erofs_sb_set_chunked_file(sbi);
break;
case 12:
quiet = true;
@@ -385,21 +385,23 @@ static int mkfs_parse_options_cfg(int argc, char *argv[])
return 0;
}
-int erofs_mkfs_update_super_block(struct erofs_buffer_head *bh,
+int erofs_mkfs_update_super_block(
+ struct erofs_sb_info *sbi,
+ struct erofs_buffer_head *bh,
erofs_nid_t root_nid,
erofs_blk_t *blocks)
{
struct erofs_super_block sb = {
.magic = cpu_to_le32(EROFS_SUPER_MAGIC_V1),
.blkszbits = LOG_BLOCK_SIZE,
- .inos = cpu_to_le64(sbi.inos),
- .build_time = cpu_to_le64(sbi.build_time),
- .build_time_nsec = cpu_to_le32(sbi.build_time_nsec),
+ .inos = cpu_to_le64(sbi->inos),
+ .build_time = cpu_to_le64(sbi->build_time),
+ .build_time_nsec = cpu_to_le32(sbi->build_time_nsec),
.blocks = 0,
- .meta_blkaddr = sbi.meta_blkaddr,
- .xattr_blkaddr = sbi.xattr_blkaddr,
- .feature_incompat = cpu_to_le32(sbi.feature_incompat),
- .feature_compat = cpu_to_le32(sbi.feature_compat &
+ .meta_blkaddr = sbi->meta_blkaddr,
+ .xattr_blkaddr = sbi->xattr_blkaddr,
+ .feature_incompat = cpu_to_le32(sbi->feature_incompat),
+ .feature_compat = cpu_to_le32(sbi->feature_compat &
~EROFS_FEATURE_COMPAT_SB_CHKSUM),
};
const unsigned int sb_blksize =
@@ -409,12 +411,12 @@ int erofs_mkfs_update_super_block(struct erofs_buffer_head *bh,
*blocks = erofs_mapbh(NULL);
sb.blocks = cpu_to_le32(*blocks);
sb.root_nid = cpu_to_le16(root_nid);
- memcpy(sb.uuid, sbi.uuid, sizeof(sb.uuid));
+ memcpy(sb.uuid, sbi->uuid, sizeof(sb.uuid));
- if (erofs_sb_has_compr_cfgs(&sbi))
- sb.u1.available_compr_algs = sbi.available_compr_algs;
+ if (erofs_sb_has_compr_cfgs(sbi))
+ sb.u1.available_compr_algs = sbi->available_compr_algs;
else
- sb.u1.lz4_max_distance = cpu_to_le16(sbi.lz4_max_distance);
+ sb.u1.lz4_max_distance = cpu_to_le16(sbi->lz4_max_distance);
buf = calloc(sb_blksize, 1);
if (!buf) {
@@ -473,17 +475,17 @@ static int erofs_mkfs_superblock_csum_set(struct erofs_device erofs_dev)
return 0;
}
-static void erofs_mkfs_default_options(void)
+static void erofs_mkfs_default_options(struct erofs_sb_info *sbi)
{
cfg.c_legacy_compress = false;
- sbi.feature_incompat = EROFS_FEATURE_INCOMPAT_LZ4_0PADDING;
- sbi.feature_compat = EROFS_FEATURE_COMPAT_SB_CHKSUM;
+ sbi->feature_incompat = EROFS_FEATURE_INCOMPAT_LZ4_0PADDING;
+ sbi->feature_compat = EROFS_FEATURE_COMPAT_SB_CHKSUM;
/* generate a default uuid first */
#ifdef HAVE_LIBUUID
do {
- uuid_generate(sbi.uuid);
- } while (uuid_is_null(sbi.uuid));
+ uuid_generate(sbi->uuid);
+ } while (uuid_is_null(sbi->uuid));
#endif
}
@@ -531,11 +533,12 @@ int main(int argc, char **argv)
struct timeval t;
char uuid_str[37] = "not available";
struct erofs_device erofs_dev;
+ struct erofs_sb_info sbi;
erofs_init_global_configure();
- erofs_mkfs_default_options();
+ erofs_mkfs_default_options(&sbi);
- err = mkfs_parse_options_cfg(argc, argv);
+ err = mkfs_parse_options_cfg(&sbi, argc, argv);
erofs_show_progs(argc, argv);
if (err) {
if (err == -EINVAL)
@@ -620,7 +623,7 @@ int main(int argc, char **argv)
goto exit;
}
- err = z_erofs_compress_init(erofs_dev, sb_bh);
+ err = z_erofs_compress_init(erofs_dev, &sbi, sb_bh);
if (err) {
erofs_err("Failed to initialize compressor: %s",
erofs_strerror(err));
@@ -634,20 +637,20 @@ int main(int argc, char **argv)
erofs_inode_manager_init();
- err = erofs_build_shared_xattrs_from_path(cfg.c_src_path);
+ err = erofs_build_shared_xattrs_from_path(cfg.c_src_path, &sbi);
if (err) {
erofs_err("Failed to build shared xattrs: %s",
erofs_strerror(err));
goto exit;
}
- root_inode = erofs_mkfs_build_tree_from_path(erofs_dev, NULL, cfg.c_src_path);
+ root_inode = erofs_mkfs_build_tree_from_path(erofs_dev, &sbi, NULL, cfg.c_src_path);
if (IS_ERR(root_inode)) {
err = PTR_ERR(root_inode);
goto exit;
}
- root_nid = erofs_lookupnid(root_inode);
+ root_nid = erofs_lookupnid(&sbi, root_inode);
erofs_iput(root_inode);
if (cfg.c_chunkbits) {
@@ -657,7 +660,7 @@ int main(int argc, char **argv)
goto exit;
}
- err = erofs_mkfs_update_super_block(sb_bh, root_nid, &nblocks);
+ err = erofs_mkfs_update_super_block(&sbi, sb_bh, root_nid, &nblocks);
if (err)
goto exit;
--
2.34.0.rc2.393.gf8c9666880-goog
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