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xfs: relocate sparse inode mount warning

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The sparse inodes feature is currently considered experimental. We warn
at mount time from xfs_mount_validate_sb(). This function is part of the
superblock verifier codepath, however, which means it could be invoked
repeatedly on superblock reads or writes. This is currently only
noticeable from userspace, where mkfs produces multiple warnings at
format time.

As mkfs warnings were not the intent of this change, relocate the mount
time warning to xfs_fs_fill_super(), which is only invoked once and only
in kernel space.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Brian Foster 2015-08-19 10:32:14 +10:00 committed by Dave Chinner
parent 928634514b
commit 1b867d3ab5
2 changed files with 4 additions and 3 deletions
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3
fs/xfs/libxfs/xfs_sb.c
View file

@ -182,9 +182,6 @@ xfs_mount_validate_sb(
if (xfs_sb_version_hassparseinodes(sbp)) {
uint32_t align;
xfs_alert(mp,
"EXPERIMENTAL sparse inode feature enabled. Use at your own risk!");
align = XFS_INODES_PER_CHUNK * sbp->sb_inodesize
>> sbp->sb_blocklog;
if (sbp->sb_inoalignmt != align) {

4
fs/xfs/xfs_super.c
View file

@ -1528,6 +1528,10 @@ xfs_fs_fill_super(
}
}
if (xfs_sb_version_hassparseinodes(&mp->m_sb))
xfs_alert(mp,
"EXPERIMENTAL sparse inode feature enabled. Use at your own risk!");
error = xfs_mountfs(mp);
if (error)
goto out_filestream_unmount;