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| author | Chris Mason <chris.mason@oracle.com> | 2009-07-30 10:04:48 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2009-07-30 10:14:46 -0400 |
| commit | f36f3042eae238bdaefe7c79310afe573bfc3622 (patch) | |
| tree | 83ea0e271dedeef36423509be7f4189b838d14b5 /fs/btrfs/transaction.h | |
| parent | 276e680d192a67d222fcea51af37b056feffb665 (diff) | |
| download | lwn-f36f3042eae238bdaefe7c79310afe573bfc3622.tar.gz lwn-f36f3042eae238bdaefe7c79310afe573bfc3622.zip | |
Btrfs: be more polite in the async caching threads
The semaphore used by the async caching threads can prevent a
transaction commit, which can make the FS appear to stall. This
releases the semaphore more often when a transaction commit is
in progress.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/transaction.h')
| -rw-r--r-- | fs/btrfs/transaction.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index 961c3ee5a2e1..663c67404918 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -107,4 +107,5 @@ int btrfs_record_root_in_trans(struct btrfs_trans_handle *trans, struct btrfs_root *root); int btrfs_write_and_wait_marked_extents(struct btrfs_root *root, struct extent_io_tree *dirty_pages); +int btrfs_transaction_in_commit(struct btrfs_fs_info *info); #endif |