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

Message ID 1353403785-3489-2-git-send-email-wenqing.lz@taobao.com
State Not Applicable, archived
Headers show

Commit Message

Zheng Liu Nov. 20, 2012, 9:29 a.m. UTC 
From: Zheng Liu <wenqing.lz@taobao.com>

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

Reported-by: Guo Chao <yan@linux.vnet.ibm.com>
Signed-off-by: Zheng Liu <wenqing.lz@taobao.com>
---
 fs/ext4/extents.c | 4 ----
 1 file changed, 4 deletions(-)
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Patch

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);