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| author | David Chinner <dgc@sgi.com> | 2008-04-10 12:20:03 +1000 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-04-18 11:53:51 +1000 |
| commit | 714082bc12b6c305f825411df02177efcb0085f1 (patch) | |
| tree | 2fd7f10bc2f3aeca24457534cf716db6a47fdf26 /fs | |
| parent | 36fbe6e6bd5408b09341043dfece978b4a7a0f34 (diff) | |
| download | op-kernel-dev-714082bc12b6c305f825411df02177efcb0085f1.zip op-kernel-dev-714082bc12b6c305f825411df02177efcb0085f1.tar.gz | |
[XFS] Report errors from xfs_reserve_blocks().
xfs_reserve_blocks() can fail in interesting ways. In neither case is it a
fatal error, but the result can lead to sub-optimal behaviour. Warn to the
syslog if the call fails but otherwise continue.
SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30784a
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_mount.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index eb348c1..244aa1b 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1227,12 +1227,15 @@ xfs_mountfs( * * We default to 5% or 1024 fsbs of space reserved, whichever is smaller. * This may drive us straight to ENOSPC on mount, but that implies - * we were already there on the last unmount. + * we were already there on the last unmount. Warn if this occurs. */ resblks = mp->m_sb.sb_dblocks; do_div(resblks, 20); resblks = min_t(__uint64_t, resblks, 1024); - xfs_reserve_blocks(mp, &resblks, NULL); + error = xfs_reserve_blocks(mp, &resblks, NULL); + if (error) + cmn_err(CE_WARN, "XFS: Unable to allocate reserve blocks. " + "Continuing without a reserve pool."); return 0; @@ -1268,6 +1271,7 @@ int xfs_unmountfs(xfs_mount_t *mp, struct cred *cr) { __uint64_t resblks; + int error = 0; /* * We can potentially deadlock here if we have an inode cluster @@ -1311,7 +1315,11 @@ xfs_unmountfs(xfs_mount_t *mp, struct cred *cr) * value does not matter.... */ resblks = 0; - xfs_reserve_blocks(mp, &resblks, NULL); + error = xfs_reserve_blocks(mp, &resblks, NULL); + if (error) + cmn_err(CE_WARN, "XFS: Unable to free reserved block pool. " + "Freespace may not be correct on next mount."); + xfs_log_sbcount(mp, 1); xfs_unmountfs_writesb(mp); |
