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| author | Josef Bacik <josef@toxicpanda.com> | 2022-09-12 22:27:45 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2022-09-29 18:08:28 +0300 |
| commit | d2c7a19f5c82ace6ea0ec00ae53c6dd97ee8e274 (patch) | |
| tree | e4a7dc29b9411fd268f32badd285a8f1360a23fc /fs/btrfs/ordered-data.h | |
| parent | 1daedb1d6bf24c7185e00cd341404f262f8de7c8 (diff) | |
| download | linux-d2c7a19f5c82ace6ea0ec00ae53c6dd97ee8e274.tar.xz | |
btrfs: add btrfs_try_lock_ordered_range
For IOCB_NOWAIT we're going to want to use try lock on the extent lock,
and simply bail if there's an ordered extent in the range because the
only choice there is to wait for the ordered extent to complete.
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Stefan Roesch <shr@fb.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ordered-data.h')
| -rw-r--r-- | fs/btrfs/ordered-data.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h index ac6b8ef133aa..f59f2dbdb25e 100644 --- a/fs/btrfs/ordered-data.h +++ b/fs/btrfs/ordered-data.h @@ -206,6 +206,7 @@ void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr, void btrfs_lock_and_flush_ordered_range(struct btrfs_inode *inode, u64 start, u64 end, struct extent_state **cached_state); +bool btrfs_try_lock_ordered_range(struct btrfs_inode *inode, u64 start, u64 end); int btrfs_split_ordered_extent(struct btrfs_ordered_extent *ordered, u64 pre, u64 post); int __init ordered_data_init(void); |