[patch 1/1]erofs-utils:0001-Improve-README.patch
Gao Xiang
hsiangkao at aol.com
Sun Mar 3 18:04:15 AEDT 2019
Original patch seems broken. I apply it by hand with some minor changes...
>From b6d8c8c6fa91a8ffa7c138578d6315b768372476 Mon Sep 17 00:00:00 2001
From: Arshad Hussain <arshad.super at gmail.com>
Date: Sun, 3 Mar 2019 14:46:44 +0800
Subject: [PATCH] erofs-utils: improve README
This patch improves the build section and
adds the example/specimen usage section in
the README file.
Signed-off-by: Arshad Hussain <arshad.super at gmail.com>
---
README | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 file changed, 63 insertions(+), 3 deletions(-)
diff --git a/README b/README
index 4e34159..9014268 100644
--- a/README
+++ b/README
@@ -21,8 +21,14 @@ How to build with lz4 static library
./configure --with-lz4=<lz4 install path>
eg. if lz4 lib has been installed into fold of /usr/local/lib
./configure --with-lz4=/usr/local/lib && make
-Maybe you should run this first:
- ./autogen.sh
+On Fedora, static lz4 can be installed using:
+ yum install lz4-static.x86_64
+To build you should run this first:
+ $ ./autogen.sh
+ $ ./configure
+ $ make
+
+mkfs.erofs binary will be generated under mkfs folder.
Usage:
$ ./mkfs.erofs
@@ -35,7 +41,61 @@ Usage:
-d -- set debugging level <dbglvl>
-z -- enable <compr_algri> compression (only lz4hc is supported)
- target path, source directory are both needed.
+ Target path, source directory are both needed.
+
+Specimen Usage:
+1) Create a temporary Disk
+$ dd if=/dev/zero of=erofs_disk bs=512 count=23000
+
+2) Create and populate source directory
+$ mkdir -p srcd
+
+Our sample source directory contents
+$ ls -ali srcd/
+total 44
+425555 drwxr-xr-x 2 root root 4096 Feb 23 06:55 .
+425533 drwxr-xr-x 9 root root 4096 Feb 26 06:54 ..
+422789 -rw-r--r-- 1 root root 0 Feb 22 14:52 ChangeLog
++422793 -rw-r--r-- 1 root root 3195 Feb 23 06:55 configure.ac
++422794 -rw-r--r-- 1 root root 25763 Feb 23 06:55 Makefile
++422796 -rw-r--r-- 1 root root 1879 Feb 23 06:55 README
+
+3) Run mkfs.erofs
+ ./mkfs/mkfs.erofs ./erofs_disk ./srcd/
+ c_version: [0.1 Feb 22 2019 14:13:38]
+ c_img_path: [./erofs_disk]
+ c_src_path: [/root/arshad/erofs-utils/srcd]
+ c_dbg_lvl: [ 0]
+ c_dry_run: [ 0]
+ c_alg_name: [ none]
+ c_compr_maxsz: [ 921600]
+ c_compr_lvl: [ 0]
+ c_compr_boundary: [ 128]
+ c_compr_ratio_limit: [ 100]
+
+4) Load erofs.ko module
+$ insmod drivers/staging/erofs/erofs.ko
+
+5) Mount erofs_disk image
+$ mount -t erofs erofs_disk /mnt/vg1 -o loop
+
+6) Check FS type mount reports
+$ mount | grep erofs
+/root/arshad/erofs-utils/erofs_disk on /mnt/vg1 type erofs ro,relatime,user_xattr,acl)
+
+7) Check the contents of the mounted FS
+$ ls -ali /mnt/vg1/
+total 31
+ 4 -rw-r--r-- 1 root root 0 Feb 23 06:55 ChangeLog
+896 -rw-r--r-- 1 root root 3195 Feb 23 06:55 configure.ac
+ 5 -rw-r--r-- 1 root root 25763 Feb 23 06:55 Makefile
+ 44 -rw-r--r-- 1 root root 1879 Feb 23 06:55 README
+
+8) Umount /mnt/vg1
+$ umount /mnt/vg1
+
+9) Unload erofs module
+$ rmmod erofs
To:
linux-erofs mailing list <linux-erofs at lists.ozlabs.org>
--
2.11.0
On 2019/3/3 14:02, Gao Xiang wrote:
> Hi Arshad,
>
> On 2019/3/2 21:04, arshad hussain wrote:
>> Hi,
>>
>> This patch improves the build section and
>> adds the example/specimen usage section in
>> the README file.
>>
>> Signed-off-by: Arshad Hussain <arshad.super at gmail.com>
>
>
> Thanks for improving the mkfs README.
> mkfs is now under refactoring in order to make it more clean and straight-forward,
> yet its progress is somewhat slow.
>
> Anyway, I will take this patch and thanks for your contributing :)
>
>
> Thanks,
> Gao Xiang
>
>
>> ----
>> # cat 0001-Improve-README.patch
>> From a2aa7e7b8938f1190d1618a5dda9f5c32cf3215e Mon Sep 17 00:00:00 2001
>> From: Arshad Hussain <arshad.super at gmail.com>
>> Date: Tue, 26 Feb 2019 10:30:04 +0530
>> Subject: [PATCH] Improve README
>>
>> This patch improves the build section and
>> adds the example/specimen usage section in
>> the README file.
>> ---
>> README | 66 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
>> 1 file changed, 63 insertions(+), 3 deletions(-)
>>
>> diff --git a/README b/README
>> index 4e34159..b5b605a 100644
>> --- a/README
>> +++ b/README
>> @@ -21,8 +21,14 @@ How to build with lz4 static library
>> ./configure --with-lz4=<lz4 install path>
>> eg. if lz4 lib has been installed into fold of /usr/local/lib
>> ./configure --with-lz4=/usr/local/lib && make
>> -Maybe you should run this first:
>> - ./autogen.sh
>> +On Fedora, static lz4 can be installed using:
>> + yum install lz4-static.x86_64
>> +To build you should run this first:
>> + $ ./autogen.sh
>> + $ ./configure
>> + $ make
>> +
>> +mkfs.erofs binary will be generated under mkfs folder.
>>
>> Usage:
>> $ ./mkfs.erofs
>> @@ -35,7 +41,61 @@ Usage:
>> -d -- set debugging level <dbglvl>
>> -z -- enable <compr_algri> compression (only lz4hc is supported)
>>
>> - target path, source directory are both needed.
>> + Target path, source directory are both needed.
>> +
>> +Specimen Usage:
>> +Create a temporary Disk
>> +$ dd if=/dev/zero of=erofs_disk bs=512 count=23000
>> +
>> +Create and populate source directory
>> +$ mkdir -p srcd
>> +
>> +Our sample source directory contents
>> +$ ls -ali srcd/
>> +total 44
>> +425555 drwxr-xr-x 2 root root 4096 Feb 23 06:55 .
>> +425533 drwxr-xr-x 9 root root 4096 Feb 26 06:54 ..
>> +422789 -rw-r--r-- 1 root root 0 Feb 22 14:52 ChangeLog
>> +422793 -rw-r--r-- 1 root root 3195 Feb 23 06:55 configure.ac
>> +422794 -rw-r--r-- 1 root root 25763 Feb 23 06:55 Makefile
>> +422796 -rw-r--r-- 1 root root 1879 Feb 23 06:55 README
>> +
>> +Run mkfs.erofs
>> +$ ./mkfs/mkfs.erofs ./erofs_disk ./srcd/
>> + c_version: [0.1 Feb 22 2019 14:13:38]
>> + c_img_path: [./erofs_disk]
>> + c_src_path: [/root/arshad/erofs-utils/srcd]
>> + c_dbg_lvl: [ 0]
>> + c_dry_run: [ 0]
>> + c_alg_name: [ none]
>> + c_compr_maxsz: [ 921600]
>> + c_compr_lvl: [ 0]
>> + c_compr_boundary: [ 128]
>> + c_compr_ratio_limit: [ 100]
>> +
>> +Load erofs.ko module
>> +$ insmod drivers/staging/erofs/erofs.ko
>> +
>> +Mount erofs_disk image
>> +$ mount -t erofs erofs_disk /mnt/vg1 -o loop
>> +
>> +Check FS type mount reports
>> +$ mount | grep erofs
>> +/root/arshad/erofs-utils/erofs_disk on /mnt/vg1 type erofs
>> (ro,relatime,user_xattr,acl)
>> +
>> +Check the contents of the mounted FS
>> +$ ls -ali /mnt/vg1/
>> +total 31
>> + 4 -rw-r--r-- 1 root root 0 Feb 23 06:55 ChangeLog
>> +896 -rw-r--r-- 1 root root 3195 Feb 23 06:55 configure.ac
>> + 5 -rw-r--r-- 1 root root 25763 Feb 23 06:55 Makefile
>> + 44 -rw-r--r-- 1 root root 1879 Feb 23 06:55 README
>> +
>> +Umount /mnt/vg1
>> +$ umount /mnt/vg1
>> +
>> +Unload erofs module
>> +$ rmmod erofs
>>
>> To:
>> linux-erofs mailing list <linux-erofs at lists.ozlabs.org>
>> --
>> 2.14.3
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