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authorChris Mason <chris.mason@oracle.com>2009-07-30 10:04:48 -0400
committerChris Mason <chris.mason@oracle.com>2009-07-30 10:14:46 -0400
commitf36f3042eae238bdaefe7c79310afe573bfc3622 (patch)
tree83ea0e271dedeef36423509be7f4189b838d14b5 /fs/btrfs/transaction.h
parent276e680d192a67d222fcea51af37b056feffb665 (diff)
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.h1
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