[PATCH] ext4: COLLAPSE_RANGE only works on extent-based files

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Unfortunately, we weren't checking to make sure of this the inode was
extent-based before attempt operate on it.  Hilarity ensues.

Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
---
 fs/ext4/extents.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index f24ef86..96e0a4b 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4878,9 +4878,6 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
 	if (mode & FALLOC_FL_PUNCH_HOLE)
 		return ext4_punch_hole(inode, offset, len);
 
-	if (mode & FALLOC_FL_COLLAPSE_RANGE)
-		return ext4_collapse_range(inode, offset, len);
-
 	ret = ext4_convert_inline_data(inode);
 	if (ret)
 		return ret;
@@ -4892,6 +4889,9 @@ 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;
 
+	if (mode & FALLOC_FL_COLLAPSE_RANGE)
+		return ext4_collapse_range(inode, offset, len);
+
 	if (mode & FALLOC_FL_ZERO_RANGE)
 		return ext4_zero_range(file, offset, len, mode);
 
-- 
1.9.0

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Reiser Filesystem Development]     [Ceph FS]     [Kernel Newbies]     [Security]     [Netfilter]     [Bugtraq]     [Linux FS]     [Yosemite National Park]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Device Mapper]     [Linux Media]

  Powered by Linux