AcoSail/kernel_optimize_test
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[XFS] Allow punching holes to free space when at ENOSPC

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Make the free file space transaction able to dip into the reserved blocks
to ensure that we can successfully free blocks when the filesystem is at
ENOSPC.

SGI-PV: 967788
SGI-Modid: xfs-linux-melb:xfs-kern:29167a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Vlad Apostolov <vapo@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>
This commit is contained in:
David Chinner 2007-07-19 16:28:30 +10:00 committed by Tim Shimmin
parent 4f57dbc6b5
commit 91ebecc74e
1 changed files with 4 additions and 1 deletions
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5
fs/xfs/xfs_vnodeops.c
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@ -4434,9 +4434,12 @@ xfs_free_file_space(
while (!error && !done) {
/*
* allocate and setup the transaction
* allocate and setup the transaction. Allow this
* transaction to dip into the reserve blocks to ensure
* the freeing of the space succeeds at ENOSPC.
*/
tp = xfs_trans_alloc(mp, XFS_TRANS_DIOSTRAT);
tp->t_flags |= XFS_TRANS_RESERVE;
error = xfs_trans_reserve(tp,
resblks,
XFS_WRITE_LOG_RES(mp),