[PATCH 3/7] erofs-utils: lib: sync up with the 48-bit kernel erofs_fs.h
Gao Xiang
hsiangkao at linux.alibaba.com
Mon Mar 10 20:25:04 AEDT 2025
Keep in sync with related kernel commit.
Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>
---
include/erofs/internal.h | 4 +-
include/erofs_fs.h | 191 ++++++++++++++++++---------------------
lib/blobchunk.c | 20 ++--
lib/compress.c | 2 +-
lib/data.c | 8 +-
lib/inode.c | 6 +-
lib/namei.c | 4 +-
lib/super.c | 16 ++--
lib/zmap.c | 2 +-
9 files changed, 119 insertions(+), 134 deletions(-)
diff --git a/include/erofs/internal.h b/include/erofs/internal.h
index b1b971f..08d33b8 100644
--- a/include/erofs/internal.h
+++ b/include/erofs/internal.h
@@ -59,8 +59,8 @@ struct erofs_bufmgr;
struct erofs_device_info {
u8 tag[64];
- u32 blocks;
- u32 mapped_blkaddr;
+ erofs_blk_t blocks;
+ erofs_blk_t uniaddr;
};
/* all filesystem-wide lz4 configurations */
diff --git a/include/erofs_fs.h b/include/erofs_fs.h
index 269d302..ce319d7 100644
--- a/include/erofs_fs.h
+++ b/include/erofs_fs.h
@@ -31,25 +31,19 @@
#define EROFS_FEATURE_INCOMPAT_FRAGMENTS 0x00000020
#define EROFS_FEATURE_INCOMPAT_DEDUPE 0x00000020
#define EROFS_FEATURE_INCOMPAT_XATTR_PREFIXES 0x00000040
+#define EROFS_FEATURE_INCOMPAT_48BIT 0x00000080
#define EROFS_ALL_FEATURE_INCOMPAT \
- (EROFS_FEATURE_INCOMPAT_ZERO_PADDING | \
- EROFS_FEATURE_INCOMPAT_COMPR_CFGS | \
- EROFS_FEATURE_INCOMPAT_BIG_PCLUSTER | \
- EROFS_FEATURE_INCOMPAT_CHUNKED_FILE | \
- EROFS_FEATURE_INCOMPAT_DEVICE_TABLE | \
- EROFS_FEATURE_INCOMPAT_COMPR_HEAD2 | \
- EROFS_FEATURE_INCOMPAT_ZTAILPACKING | \
- EROFS_FEATURE_INCOMPAT_FRAGMENTS | \
- EROFS_FEATURE_INCOMPAT_DEDUPE | \
- EROFS_FEATURE_INCOMPAT_XATTR_PREFIXES)
+ ((EROFS_FEATURE_INCOMPAT_48BIT << 1) - 1)
#define EROFS_SB_EXTSLOT_SIZE 16
struct erofs_deviceslot {
u8 tag[64]; /* digest(sha256), etc. */
- __le32 blocks; /* total fs blocks of this device */
- __le32 mapped_blkaddr; /* map starting at mapped_blkaddr */
- u8 reserved[56];
+ __le32 blocks_lo; /* total blocks count of this device */
+ __le32 uniaddr_lo; /* unified starting block of this device */
+ __le32 blocks_hi; /* total blocks count MSB */
+ __le16 uniaddr_hi; /* unified starting block MSB */
+ u8 reserved[50];
};
#define EROFS_DEVT_SLOT_SIZE sizeof(struct erofs_deviceslot)
@@ -60,13 +54,14 @@ struct erofs_super_block {
__le32 feature_compat;
__u8 blkszbits; /* filesystem block size in bit shift */
__u8 sb_extslots; /* superblock size = 128 + sb_extslots * 16 */
-
- __le16 root_nid; /* nid of root directory */
+ union {
+ __le16 rootnid_2b; /* nid of root directory */
+ __le16 blocks_hi; /* (48BIT on) blocks count MSB */
+ } rb;
__le64 inos; /* total valid ino # (== f_files - f_favail) */
-
- __le64 build_time; /* compact inode time derivation */
- __le32 build_time_nsec; /* compact inode time derivation in ns scale */
- __le32 blocks; /* used for statfs */
+ __le64 epoch; /* base seconds used for compact inodes */
+ __le32 fixed_nsec; /* fixed nanoseconds for compact inodes */
+ __le32 blocks_lo; /* blocks count LSB */
__le32 meta_blkaddr; /* start block address of metadata area */
__le32 xattr_blkaddr; /* start block address of shared xattr area */
__u8 uuid[16]; /* 128-bit uuid for volume */
@@ -85,7 +80,10 @@ struct erofs_super_block {
__le32 xattr_prefix_start; /* start of long xattr prefixes */
__le64 packed_nid; /* nid of the special packed inode */
__u8 xattr_filter_reserved; /* reserved for xattr name filter */
- __u8 reserved2[23];
+ __u8 reserved[3];
+ __le32 build_time; /* seconds added to epoch for mkfs time */
+ __le64 rootnid_8b; /* (48BIT on) nid of root directory */
+ __u8 reserved2[8];
};
/*
@@ -116,19 +114,19 @@ static inline bool erofs_inode_is_data_compressed(unsigned int datamode)
#define EROFS_I_VERSION_MASK 0x01
#define EROFS_I_DATALAYOUT_MASK 0x07
-#define EROFS_I_VERSION_BIT 0
-#define EROFS_I_DATALAYOUT_BIT 1
-#define EROFS_I_ALL_BIT 4
-
-#define EROFS_I_ALL ((1 << EROFS_I_ALL_BIT) - 1)
+#define EROFS_I_VERSION_BIT 0
+#define EROFS_I_DATALAYOUT_BIT 1
+#define EROFS_I_NLINK_1_BIT 4 /* non-directory compact inodes only */
+#define EROFS_I_DOT_OMITTED_BIT 4 /* (directories) omit the `.` dirent */
+#define EROFS_I_ALL ((1 << (EROFS_I_NLINK_1_BIT + 1)) - 1)
/* indicate chunk blkbits, thus 'chunksize = blocksize << chunk blkbits' */
#define EROFS_CHUNK_FORMAT_BLKBITS_MASK 0x001F
-/* with chunk indexes or just a 4-byte blkaddr array */
+/* with chunk indexes or just a 4-byte block array */
#define EROFS_CHUNK_FORMAT_INDEXES 0x0020
+#define EROFS_CHUNK_FORMAT_48BIT 0x0040
-#define EROFS_CHUNK_FORMAT_ALL \
- (EROFS_CHUNK_FORMAT_BLKBITS_MASK | EROFS_CHUNK_FORMAT_INDEXES)
+#define EROFS_CHUNK_FORMAT_ALL ((EROFS_CHUNK_FORMAT_48BIT << 1) - 1)
/* 32-byte on-disk inode */
#define EROFS_INODE_LAYOUT_COMPACT 0
@@ -141,45 +139,40 @@ struct erofs_inode_chunk_info {
};
union erofs_inode_i_u {
- /* total compressed blocks for compressed inodes */
- __le32 compressed_blocks;
-
- /* block address for uncompressed flat inodes */
- __le32 raw_blkaddr;
-
- /* for device files, used to indicate old/new device # */
- __le32 rdev;
-
- /* for chunk-based files, it contains the summary info */
+ __le32 blocks_lo; /* total blocks count (if compressed inodes) */
+ __le32 startblk_lo; /* starting block number (if flat inodes) */
+ __le32 rdev; /* device ID (if special inodes) */
struct erofs_inode_chunk_info c;
};
+union erofs_inode_i_nb {
+ __le16 nlink; /* if EROFS_I_NLINK_1_BIT is unset */
+ __le16 blocks_hi; /* total blocks count MSB */
+ __le16 startblk_hi; /* starting block number MSB */
+};
+
/* 32-byte reduced form of an ondisk inode */
struct erofs_inode_compact {
__le16 i_format; /* inode format hints */
-
-/* 1 header + n-1 * 4 bytes inline xattr to keep continuity */
__le16 i_xattr_icount;
__le16 i_mode;
- __le16 i_nlink;
+ union erofs_inode_i_nb i_nb;
__le32 i_size;
- __le32 i_reserved;
+ __le32 i_mtime;
union erofs_inode_i_u i_u;
__le32 i_ino; /* only used for 32-bit stat compatibility */
__le16 i_uid;
__le16 i_gid;
- __le32 i_reserved2;
+ __le32 i_reserved;
};
/* 64-byte complete form of an ondisk inode */
struct erofs_inode_extended {
__le16 i_format; /* inode format hints */
-
-/* 1 header + n-1 * 4 bytes inline xattr to keep continuity */
__le16 i_xattr_icount;
__le16 i_mode;
- __le16 i_reserved;
+ union erofs_inode_i_nb i_nb;
__le64 i_size;
union erofs_inode_i_u i_u;
@@ -249,6 +242,7 @@ static inline unsigned int erofs_xattr_ibody_size(__le16 i_xattr_icount)
if (!i_xattr_icount)
return 0;
+ /* 1 header + n-1 * 4 bytes inline xattr to keep continuity */
return sizeof(struct erofs_xattr_ibody_header) +
sizeof(__u32) * (le16_to_cpu(i_xattr_icount) - 1);
}
@@ -267,11 +261,11 @@ static inline unsigned int erofs_xattr_entry_size(struct erofs_xattr_entry *e)
/* 4-byte block address array */
#define EROFS_BLOCK_MAP_ENTRY_SIZE sizeof(__le32)
-/* 8-byte inode chunk indexes */
+/* 8-byte inode chunk index */
struct erofs_inode_chunk_index {
- __le16 advise; /* always 0, don't care for now */
+ __le16 startblk_hi; /* starting block number MSB */
__le16 device_id; /* back-end storage id (with bits masked) */
- __le32 blkaddr; /* start block address of this inode chunk */
+ __le32 startblk_lo; /* starting block number of this chunk */
};
/* dirent sorts in alphabet order, thus we can do binary search */
@@ -345,21 +339,20 @@ struct z_erofs_zstd_cfgs {
#define Z_EROFS_ZSTD_MAX_DICT_SIZE Z_EROFS_PCLUSTER_MAX_SIZE
/*
- * bit 0 : COMPACTED_2B indexes (0 - off; 1 - on)
- * e.g. for 4k logical cluster size, 4B if compacted 2B is off;
- * (4B) + 2B + (4B) if compacted 2B is on.
- * bit 1 : HEAD1 big pcluster (0 - off; 1 - on)
- * bit 2 : HEAD2 big pcluster (0 - off; 1 - on)
- * bit 3 : tailpacking inline pcluster (0 - off; 1 - on)
- * bit 4 : interlaced plain pcluster (0 - off; 1 - on)
- * bit 5 : fragment pcluster (0 - off; 1 - on)
+ * Enable COMPACTED_2B for EROFS_INODE_COMPRESSED_COMPACT inodes:
+ * 4B (disabled) vs 4B+2B+4B (enabled)
*/
#define Z_EROFS_ADVISE_COMPACTED_2B 0x0001
+/* Enable extent metadata for EROFS_INODE_COMPRESSED_FULL inodes */
+#define Z_EROFS_ADVISE_EXTENTS 0x0001
#define Z_EROFS_ADVISE_BIG_PCLUSTER_1 0x0002
#define Z_EROFS_ADVISE_BIG_PCLUSTER_2 0x0004
#define Z_EROFS_ADVISE_INLINE_PCLUSTER 0x0008
#define Z_EROFS_ADVISE_INTERLACED_PCLUSTER 0x0010
#define Z_EROFS_ADVISE_FRAGMENT_PCLUSTER 0x0020
+/* Indicate the record size for each extent if extent metadata is used */
+#define Z_EROFS_ADVISE_EXTRECSZ_BIT 1
+#define Z_EROFS_ADVISE_EXTRECSZ_MASK 0x3
#define Z_EROFS_FRAGMENT_INODE_BIT 7
struct z_erofs_map_header {
@@ -371,45 +364,24 @@ struct z_erofs_map_header {
/* indicates the encoded size of tailpacking data */
__le16 h_idata_size;
};
+ __le32 h_extents_lo; /* extent count LSB */
};
__le16 h_advise;
- /*
- * bit 0-3 : algorithm type of head 1 (logical cluster type 01);
- * bit 4-7 : algorithm type of head 2 (logical cluster type 11).
- */
- __u8 h_algorithmtype;
- /*
- * bit 0-2 : logical cluster bits - 12, e.g. 0 for 4096;
- * bit 3-6 : reserved;
- * bit 7 : move the whole file into packed inode or not.
- */
- __u8 h_clusterbits;
+ union {
+ struct {
+ /* algorithm type (bit 0-3: HEAD1; bit 4-7: HEAD2) */
+ __u8 h_algorithmtype;
+ /*
+ * bit 0-3 : logical cluster bits - blkszbits
+ * bit 4-6 : reserved
+ * bit 7 : pack the whole file into packed inode
+ */
+ __u8 h_clusterbits;
+ };
+ __le16 h_extents_hi; /* extent count MSB */
+ };
};
-/*
- * On-disk logical cluster type:
- * 0 - literal (uncompressed) lcluster
- * 1,3 - compressed lcluster (for HEAD lclusters)
- * 2 - compressed lcluster (for NONHEAD lclusters)
- *
- * In detail,
- * 0 - literal (uncompressed) lcluster,
- * di_advise = 0
- * di_clusterofs = the literal data offset of the lcluster
- * di_blkaddr = the blkaddr of the literal pcluster
- *
- * 1,3 - compressed lcluster (for HEAD lclusters)
- * di_advise = 1 or 3
- * di_clusterofs = the decompressed data offset of the lcluster
- * di_blkaddr = the blkaddr of the compressed pcluster
- *
- * 2 - compressed lcluster (for NONHEAD lclusters)
- * di_advise = 2
- * di_clusterofs =
- * the decompressed data offset in its own HEAD lcluster
- * di_u.delta[0] = distance to this HEAD lcluster
- * di_u.delta[1] = distance to the next HEAD lcluster
- */
enum {
Z_EROFS_LCLUSTER_TYPE_PLAIN = 0,
Z_EROFS_LCLUSTER_TYPE_HEAD1 = 1,
@@ -423,11 +395,7 @@ enum {
/* (noncompact only, HEAD) This pcluster refers to partial decompressed data */
#define Z_EROFS_LI_PARTIAL_REF (1 << 15)
-/*
- * D0_CBLKCNT will be marked _only_ at the 1st non-head lcluster to store the
- * compressed block count of a compressed extent (in logical clusters, aka.
- * block count of a pcluster).
- */
+/* Set on 1st non-head lcluster to store compressed block counti (in blocks) */
#define Z_EROFS_LI_D0_CBLKCNT (1 << 11)
struct z_erofs_lcluster_index {
@@ -436,19 +404,36 @@ struct z_erofs_lcluster_index {
__le16 di_clusterofs;
union {
- /* for the HEAD lclusters */
- __le32 blkaddr;
+ __le32 blkaddr; /* for the HEAD lclusters */
/*
- * for the NONHEAD lclusters
* [0] - distance to its HEAD lcluster
* [1] - distance to the next HEAD lcluster
*/
- __le16 delta[2];
+ __le16 delta[2]; /* for the NONHEAD lclusters */
} di_u;
};
-#define Z_EROFS_FULL_INDEX_ALIGN(end) \
- (round_up(end, 8) + sizeof(struct z_erofs_map_header) + 8)
+#define Z_EROFS_MAP_HEADER_END(end) \
+ (round_up(end, 8) + sizeof(struct z_erofs_map_header))
+#define Z_EROFS_FULL_INDEX_START(end) (Z_EROFS_MAP_HEADER_END(end) + 8)
+
+#define Z_EROFS_EXTENT_PLEN_PARTIAL BIT(27)
+#define Z_EROFS_EXTENT_PLEN_FMT_BIT 28
+#define Z_EROFS_EXTENT_PLEN_MASK ((Z_EROFS_PCLUSTER_MAX_SIZE << 1) - 1)
+struct z_erofs_extent {
+ __le32 plen; /* encoded length */
+ __le32 pstart_lo; /* physical offset */
+ __le32 pstart_hi; /* physical offset MSB */
+ __le32 lstart_lo; /* logical offset */
+ __le32 lstart_hi; /* logical offset MSB (>= 4GiB inodes) */
+ __u8 reserved[12]; /* for future use */
+};
+
+static inline int z_erofs_extent_recsize(unsigned int advise)
+{
+ return 4 << ((advise >> Z_EROFS_ADVISE_EXTRECSZ_BIT) &
+ Z_EROFS_ADVISE_EXTRECSZ_MASK);
+}
/* check the EROFS on-disk layout strictly at compile time */
static inline void erofs_check_ondisk_layout_definitions(void)
diff --git a/lib/blobchunk.c b/lib/blobchunk.c
index e6386d6..799bdd2 100644
--- a/lib/blobchunk.c
+++ b/lib/blobchunk.c
@@ -160,17 +160,17 @@ int erofs_blob_write_chunk_indexes(struct erofs_inode *inode,
chunk = *(void **)(inode->chunkindexes + src);
if (chunk->blkaddr == EROFS_NULL_ADDR) {
- idx.blkaddr = EROFS_NULL_ADDR;
+ idx.startblk_lo = EROFS_NULL_ADDR;
} else if (chunk->device_id) {
DBG_BUGON(!(inode->u.chunkformat & EROFS_CHUNK_FORMAT_INDEXES));
- idx.blkaddr = chunk->blkaddr;
+ idx.startblk_lo = chunk->blkaddr;
extent_start = EROFS_NULL_ADDR;
} else {
- idx.blkaddr = remapped_base + chunk->blkaddr;
+ idx.startblk_lo = remapped_base + chunk->blkaddr;
}
if (extent_start == EROFS_NULL_ADDR ||
- idx.blkaddr != extent_end) {
+ idx.startblk_lo != extent_end) {
if (extent_start != EROFS_NULL_ADDR) {
remaining_blks -= extent_end - extent_start;
tarerofs_blocklist_write(extent_start,
@@ -182,15 +182,15 @@ int erofs_blob_write_chunk_indexes(struct erofs_inode *inode,
first_extent, false);
first_extent = false;
}
- extent_start = idx.blkaddr;
+ extent_start = idx.startblk_lo;
source_offset = chunk->sourceoffset;
}
- extent_end = idx.blkaddr + chunkblks;
+ extent_end = idx.startblk_lo + chunkblks;
idx.device_id = cpu_to_le16(chunk->device_id);
- idx.blkaddr = cpu_to_le32(idx.blkaddr);
+ idx.startblk_lo = cpu_to_le32(idx.startblk_lo);
if (unit == EROFS_BLOCK_MAP_ENTRY_SIZE)
- memcpy(inode->chunkindexes + dst, &idx.blkaddr, unit);
+ memcpy(inode->chunkindexes + dst, &idx.startblk_lo, unit);
else
memcpy(inode->chunkindexes + dst, &idx, sizeof(idx));
}
@@ -513,8 +513,8 @@ int erofs_mkfs_dump_blobs(struct erofs_sb_info *sbi)
i = 0;
do {
struct erofs_deviceslot dis = {
- .mapped_blkaddr = cpu_to_le32(nblocks),
- .blocks = cpu_to_le32(sbi->devs[i].blocks),
+ .uniaddr_lo = cpu_to_le32(nblocks),
+ .blocks_lo = cpu_to_le32(sbi->devs[i].blocks),
};
memcpy(dis.tag, sbi->devs[i].tag, sizeof(dis.tag));
diff --git a/lib/compress.c b/lib/compress.c
index 1072451..97eb776 100644
--- a/lib/compress.c
+++ b/lib/compress.c
@@ -118,7 +118,7 @@ static struct {
static bool z_erofs_mt_enabled;
-#define Z_EROFS_LEGACY_MAP_HEADER_SIZE Z_EROFS_FULL_INDEX_ALIGN(0)
+#define Z_EROFS_LEGACY_MAP_HEADER_SIZE Z_EROFS_FULL_INDEX_START(0)
static void z_erofs_fini_full_indexes(struct z_erofs_compress_ictx *ctx)
{
diff --git a/lib/data.c b/lib/data.c
index fd9c21a..6f6db6d 100644
--- a/lib/data.c
+++ b/lib/data.c
@@ -117,14 +117,14 @@ int __erofs_map_blocks(struct erofs_inode *inode,
}
/* parse chunk indexes */
idx = (void *)buf + erofs_blkoff(sbi, pos);
- switch (le32_to_cpu(idx->blkaddr)) {
+ switch (le32_to_cpu(idx->startblk_lo)) {
case EROFS_NULL_ADDR:
map->m_flags = 0;
break;
default:
map->m_deviceid = le16_to_cpu(idx->device_id) &
sbi->device_id_mask;
- map->m_pa = erofs_pos(sbi, le32_to_cpu(idx->blkaddr));
+ map->m_pa = erofs_pos(sbi, le32_to_cpu(idx->startblk_lo));
map->m_flags = EROFS_MAP_MAPPED;
break;
}
@@ -154,9 +154,9 @@ int erofs_map_dev(struct erofs_sb_info *sbi, struct erofs_map_dev *map)
erofs_off_t startoff, length;
dif = sbi->devs + id;
- if (!dif->mapped_blkaddr)
+ if (!dif->uniaddr)
continue;
- startoff = erofs_pos(sbi, dif->mapped_blkaddr);
+ startoff = erofs_pos(sbi, dif->uniaddr);
length = erofs_pos(sbi, dif->blocks);
if (map->m_pa >= startoff &&
diff --git a/lib/inode.c b/lib/inode.c
index ce77682..89a0985 100644
--- a/lib/inode.c
+++ b/lib/inode.c
@@ -604,18 +604,18 @@ int erofs_iflush(struct erofs_inode *inode)
S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode))
u1.rdev = cpu_to_le32(inode->u.i_rdev);
else if (is_inode_layout_compression(inode))
- u1.compressed_blocks = cpu_to_le32(inode->u.i_blocks);
+ u1.blocks_lo = cpu_to_le32(inode->u.i_blocks);
else if (inode->datalayout == EROFS_INODE_CHUNK_BASED)
u1.c.format = cpu_to_le16(inode->u.chunkformat);
else
- u1.raw_blkaddr = cpu_to_le32(inode->u.i_blkaddr);
+ u1.startblk_lo = cpu_to_le32(inode->u.i_blkaddr);
switch (inode->inode_isize) {
case sizeof(struct erofs_inode_compact):
u.dic.i_format = cpu_to_le16(0 | (inode->datalayout << 1));
u.dic.i_xattr_icount = cpu_to_le16(icount);
u.dic.i_mode = cpu_to_le16(inode->i_mode);
- u.dic.i_nlink = cpu_to_le16(inode->i_nlink);
+ u.dic.i_nb.nlink = cpu_to_le16(inode->i_nlink);
u.dic.i_size = cpu_to_le32((u32)inode->i_size);
u.dic.i_ino = cpu_to_le32(inode->i_ino[0]);
diff --git a/lib/namei.c b/lib/namei.c
index b40f092..66b8eef 100644
--- a/lib/namei.c
+++ b/lib/namei.c
@@ -77,7 +77,7 @@ int erofs_read_inode_from_disk(struct erofs_inode *vi)
iu = dic->i_u;
vi->i_uid = le16_to_cpu(dic->i_uid);
vi->i_gid = le16_to_cpu(dic->i_gid);
- vi->i_nlink = le16_to_cpu(dic->i_nlink);
+ vi->i_nlink = le16_to_cpu(dic->i_nb.nlink);
vi->i_mtime = sbi->build_time;
vi->i_mtime_nsec = sbi->build_time_nsec;
@@ -94,7 +94,7 @@ int erofs_read_inode_from_disk(struct erofs_inode *vi)
case S_IFREG:
case S_IFDIR:
case S_IFLNK:
- vi->u.i_blkaddr = le32_to_cpu(iu.raw_blkaddr);
+ vi->u.i_blkaddr = le32_to_cpu(iu.startblk_lo);
break;
case S_IFCHR:
case S_IFBLK:
diff --git a/lib/super.c b/lib/super.c
index 6c8fa52..00a1683 100644
--- a/lib/super.c
+++ b/lib/super.c
@@ -63,8 +63,8 @@ static int erofs_init_devices(struct erofs_sb_info *sbi,
return ret;
}
- sbi->devs[i].mapped_blkaddr = le32_to_cpu(dis.mapped_blkaddr);
- sbi->devs[i].blocks = le32_to_cpu(dis.blocks);
+ sbi->devs[i].uniaddr = le32_to_cpu(dis.uniaddr_lo);
+ sbi->devs[i].blocks = le32_to_cpu(dis.blocks_lo);
memcpy(sbi->devs[i].tag, dis.tag, sizeof(dis.tag));
sbi->total_blocks += sbi->devs[i].blocks;
pos += EROFS_DEVT_SLOT_SIZE;
@@ -110,19 +110,19 @@ int erofs_read_superblock(struct erofs_sb_info *sbi)
dsb->sb_extslots);
return -EINVAL;
}
- sbi->primarydevice_blocks = le32_to_cpu(dsb->blocks);
+ sbi->primarydevice_blocks = le32_to_cpu(dsb->blocks_lo);
sbi->meta_blkaddr = le32_to_cpu(dsb->meta_blkaddr);
sbi->xattr_blkaddr = le32_to_cpu(dsb->xattr_blkaddr);
sbi->xattr_prefix_start = le32_to_cpu(dsb->xattr_prefix_start);
sbi->xattr_prefix_count = dsb->xattr_prefix_count;
sbi->islotbits = EROFS_ISLOTBITS;
- sbi->root_nid = le16_to_cpu(dsb->root_nid);
+ sbi->root_nid = le16_to_cpu(dsb->rb.rootnid_2b);
sbi->packed_nid = le64_to_cpu(dsb->packed_nid);
sbi->inos = le64_to_cpu(dsb->inos);
sbi->checksum = le32_to_cpu(dsb->checksum);
sbi->build_time = le64_to_cpu(dsb->build_time);
- sbi->build_time_nsec = le32_to_cpu(dsb->build_time_nsec);
+ sbi->build_time_nsec = le32_to_cpu(dsb->fixed_nsec);
memcpy(&sbi->uuid, dsb->uuid, sizeof(dsb->uuid));
@@ -161,10 +161,10 @@ int erofs_writesb(struct erofs_sb_info *sbi, struct erofs_buffer_head *sb_bh,
struct erofs_super_block sb = {
.magic = cpu_to_le32(EROFS_SUPER_MAGIC_V1),
.blkszbits = sbi->blkszbits,
- .root_nid = cpu_to_le16(sbi->root_nid),
+ .rb.rootnid_2b = cpu_to_le16(sbi->root_nid),
.inos = cpu_to_le64(sbi->inos),
.build_time = cpu_to_le64(sbi->build_time),
- .build_time_nsec = cpu_to_le32(sbi->build_time_nsec),
+ .fixed_nsec = cpu_to_le32(sbi->build_time_nsec),
.meta_blkaddr = cpu_to_le32(sbi->meta_blkaddr),
.xattr_blkaddr = cpu_to_le32(sbi->xattr_blkaddr),
.xattr_prefix_count = sbi->xattr_prefix_count,
@@ -181,7 +181,7 @@ int erofs_writesb(struct erofs_sb_info *sbi, struct erofs_buffer_head *sb_bh,
int ret;
*blocks = erofs_mapbh(sbi->bmgr, NULL);
- sb.blocks = cpu_to_le32(*blocks);
+ sb.blocks_lo = cpu_to_le32(*blocks);
memcpy(sb.uuid, sbi->uuid, sizeof(sb.uuid));
memcpy(sb.volume_name, sbi->volume_name, sizeof(sb.volume_name));
diff --git a/lib/zmap.c b/lib/zmap.c
index 70ff898..8e70e65 100644
--- a/lib/zmap.c
+++ b/lib/zmap.c
@@ -30,7 +30,7 @@ static int z_erofs_load_full_lcluster(struct z_erofs_maprecorder *m,
{
struct erofs_inode *const vi = m->inode;
struct erofs_sb_info *sbi = vi->sbi;
- const erofs_off_t pos = Z_EROFS_FULL_INDEX_ALIGN(erofs_iloc(vi) +
+ const erofs_off_t pos = Z_EROFS_FULL_INDEX_START(erofs_iloc(vi) +
vi->inode_isize + vi->xattr_isize) +
lcn * sizeof(struct z_erofs_lcluster_index);
erofs_blk_t eblk = erofs_blknr(sbi, pos);
--
2.43.5
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