This adds checks for the stated modes as if they are crap we will return error
not supported.
Signed-off-by: Nicholas Krause <xerofo...@gmail.com>
---
fs/btrfs/file.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 1f2b99c..599495a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -2490,7 +2490,8 @@ static long btrfs_fallocate(struct file *file, int mode,
alloc_end = round_up(offset + len, blocksize);
/* Make sure we aren't being give some crap mode */
- if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
+ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE|
+ FALLOC_FL_COLLAPSE_RANGE | FALLOC_FL_ZERO_RANGE))
return -EOPNOTSUPP;
if (mode & FALLOC_FL_PUNCH_HOLE)
--
1.7.10.4
--
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