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[XFS] Fix up noattr2 so that it will properly update the versionnum and

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features2 fields.

Previously, mounting with noattr2 failed to achieve anything because
although it cleared the attr2 mount flag, it would set it again as soon as
it processed the superblock fields. The fix now has an explicit noattr2
flag and uses it later to fix up the versionnum and features2 fields.

SGI-PV: 980021
SGI-Modid: xfs-linux-melb:xfs-kern:31003a

Signed-off-by: Tim Shimmin <tes@sgi.com>
Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
Tim Shimmin
2008-04-30 18:15:28 +10:00
committed by Niv Sardi
parent f9f6dce019
commit 7c12f29650
6 changed files with 29 additions and 2 deletions
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9
fs/xfs/xfs_vfsops.c
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@@ -284,6 +284,8 @@ xfs_start_flags(
mp->m_flags |= XFS_MOUNT_DIRSYNC;
if (ap->flags & XFSMNT_ATTR2)
mp->m_flags |= XFS_MOUNT_ATTR2;
if (ap->flags & XFSMNT_NOATTR2)
mp->m_flags |= XFS_MOUNT_NOATTR2;
if (ap->flags2 & XFSMNT2_COMPAT_IOSIZE)
mp->m_flags |= XFS_MOUNT_COMPAT_IOSIZE;
@@ -346,7 +348,12 @@ xfs_finish_flags(
}
}
if (xfs_sb_version_hasattr2(&mp->m_sb))
/*
* mkfs'ed attr2 will turn on attr2 mount unless explicitly
* told by noattr2 to turn it off
*/
if (xfs_sb_version_hasattr2(&mp->m_sb) &&
!(ap->flags & XFSMNT_NOATTR2))
mp->m_flags |= XFS_MOUNT_ATTR2;
/*