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| author | Josef Bacik <jbacik@fusionio.com> | 2012-08-29 18:27:18 (GMT) |
|---|---|---|
| committer | Chris Mason <chris.mason@fusionio.com> | 2012-10-01 19:19:07 (GMT) |
| commit | 2aaa66558172b017f36bf38ae69372813dedee9d (patch) | |
| tree | d6150a615935d36166cd06d69e3252451e62e724 /fs/btrfs/extent-tree.c | |
| parent | 2671485d395c07fca104c972785898d7c52fc942 (diff) | |
| download | linux-fsl-qoriq-2aaa66558172b017f36bf38ae69372813dedee9d.tar.xz | |
Btrfs: add hole punching
This patch adds hole punching via fallocate. Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index df2f17b..ee51b7a 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4132,6 +4132,8 @@ struct btrfs_block_rsv *btrfs_alloc_block_rsv(struct btrfs_root *root) void btrfs_free_block_rsv(struct btrfs_root *root, struct btrfs_block_rsv *rsv) { + if (!rsv) + return; btrfs_block_rsv_release(root, rsv, (u64)-1); kfree(rsv); } |