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Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6

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* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6:
  ext3: Update documentation about ext3 quota mount options
  ext3: Don't update superblock write time when filesystem is read-only
This commit is contained in:
Linus Torvalds 2009-10-13 10:05:36 -07:00
commit 54753fdb94
2 changed files with 24 additions and 5 deletions
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16
Documentation/filesystems/ext3.txt
View File

@ -123,10 +123,18 @@ resuid=n The user ID which may use the reserved blocks.
sb=n Use alternate superblock at this location.
quota
noquota
grpquota
usrquota
quota These options are ignored by the filesystem. They
noquota are used only by quota tools to recognize volumes
grpquota where quota should be turned on. See documentation
usrquota in the quota-tools package for more details
(http://sourceforge.net/projects/linuxquota).
jqfmt=<quota type> These options tell filesystem details about quota
usrjquota=<file> so that quota information can be properly updated
grpjquota=<file> during journal replay. They replace the above
quota options. See documentation in the quota-tools
package for more details
(http://sourceforge.net/projects/linuxquota).
bh (*) ext3 associates buffer heads to data pages to
nobh (a) cache disk block mapping information

13
fs/ext3/super.c
View File

@ -2321,7 +2321,18 @@ static int ext3_commit_super(struct super_block *sb,
if (!sbh)
return error;
es->s_wtime = cpu_to_le32(get_seconds());
/*
* If the file system is mounted read-only, don't update the
* superblock write time. This avoids updating the superblock
* write time when we are mounting the root file system
* read/only but we need to replay the journal; at that point,
* for people who are east of GMT and who make their clock
* tick in localtime for Windows bug-for-bug compatibility,
* the clock is set in the future, and this will cause e2fsck
* to complain and force a full file system check.
*/
if (!(sb->s_flags & MS_RDONLY))
es->s_wtime = cpu_to_le32(get_seconds());
es->s_free_blocks_count = cpu_to_le32(ext3_count_free_blocks(sb));
es->s_free_inodes_count = cpu_to_le32(ext3_count_free_inodes(sb));
BUFFER_TRACE(sbh, "marking dirty");