[PATCH 1/4][RFC] ext4: remove duplicated check from ext4_fallocate

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From: Zheng Liu <wenqing.lz@xxxxxxxxxx>

Remove a sanity check from ext4_fallocate because vfs has already checked it.

Reported-by: Guo Chao <yan@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Zheng Liu <wenqing.lz@xxxxxxxxxx>
---
 fs/ext4/extents.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 7011ac9..c2eb409 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4427,10 +4427,6 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
 		return -EOPNOTSUPP;
 
-	/* Return error if mode is not supported */
-	if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
-		return -EOPNOTSUPP;
-
 	if (mode & FALLOC_FL_PUNCH_HOLE)
 		return ext4_punch_hole(file, offset, len);
 
-- 
1.7.12.rc2.18.g61b472e

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