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authorJosef Bacik <jbacik@fb.com>2015-02-11 15:08:58 -0500
committerChris Mason <clm@fb.com>2015-02-14 08:19:14 -0800
commit3266789f9d08b27275bae5ab1dcd27d1bbf15e79 (patch)
treeb0543175a216240566971738f492b6ab87ac4732 /fs/btrfs
parent3e05bde8c3c2dd761da4d52944a087907955a53c (diff)
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Btrfs: don't set and clear delalloc for O_DIRECT writes
We do this to get the space accounting, but this is just needless churn on the io_tree, so just drop setting/clearing delalloc and just drop the reserved data space when we have a successfull allocation. Thanks, Signed-off-by: Josef Bacik <jbacik@fb.com> Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/inode.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 5a5b902e647f..3b957921ba59 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7160,7 +7160,7 @@ static int btrfs_get_blocks_direct(struct inode *inode, sector_t iblock,
int ret = 0;
if (create)
- unlock_bits |= EXTENT_DELALLOC | EXTENT_DIRTY;
+ unlock_bits |= EXTENT_DIRTY;
else
len = min_t(u64, len, root->sectorsize);
@@ -7296,11 +7296,7 @@ unlock:
BTRFS_I(inode)->outstanding_extents++;
spin_unlock(&BTRFS_I(inode)->lock);
}
-
- ret = set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,
- lockstart + len - 1, EXTENT_DELALLOC, NULL,
- &cached_state, GFP_NOFS);
- BUG_ON(ret);
+ btrfs_free_reserved_data_space(inode, len);
}
/*