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| author | Darrick J. Wong <djwong@kernel.org> | 2021-08-06 11:05:42 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-08-09 11:13:16 -0700 |
| commit | e8d04c2abcebd66bdbacd53bb273d824d4e27080 (patch) | |
| tree | b416b3ed43c11685eac84c4205d806f6690be236 /fs/xfs/xfs_trans.c | |
| parent | 6f6490914d9b712004ddad648e47b1bf22647978 (diff) | |
| download | linux-e8d04c2abcebd66bdbacd53bb273d824d4e27080.tar.bz2 | |
xfs: use background worker pool when transactions can't get free space
In xfs_trans_alloc, if the block reservation call returns ENOSPC, we
call xfs_blockgc_free_space with a NULL icwalk structure to try to free
space. Each frontend thread that encounters this situation starts its
own walk of the inode cache to see if it can find anything, which is
wasteful since we don't have any additional selection criteria. For
this one common case, create a function that reschedules all pending
background work immediately and flushes the workqueue so that the scan
can run in parallel.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs/xfs/xfs_trans.c')
| -rw-r--r-- | fs/xfs/xfs_trans.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c index 87bffd12c20c..83abaa219616 100644 --- a/fs/xfs/xfs_trans.c +++ b/fs/xfs/xfs_trans.c @@ -295,10 +295,7 @@ retry: * Do not perform a synchronous scan because callers can hold * other locks. */ - error = xfs_blockgc_free_space(mp, NULL); - if (error) - return error; - + xfs_blockgc_flush_all(mp); want_retry = false; goto retry; } |