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gfs2: Don't support fallocate on jdata files
author
Abhi Das
<adas@redhat.com>
Tue, 9 Jun 2015 14:16:46 +0000
(09:16 -0500)
committer
Bob Peterson
<rpeterso@redhat.com>
Tue, 9 Jun 2015 14:16:46 +0000
(09:16 -0500)
We cannot provide an efficient implementation due to the headers
on the data blocks, so there doesn't seem much point in having it.
Signed-off-by: Abhi Das <adas@redhat.com>
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
fs/gfs2/file.c
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diff --git
a/fs/gfs2/file.c
b/fs/gfs2/file.c
index
c706c6d
..
8252115
100644
(file)
--- a/
fs/gfs2/file.c
+++ b/
fs/gfs2/file.c
@@
-917,7
+917,7
@@
static long gfs2_fallocate(struct file *file, int mode, loff_t offset, loff_t le
struct gfs2_holder gh;
int ret;
- if (
mode & ~FALLOC_FL_KEEP_SIZE
)
+ if (
(mode & ~FALLOC_FL_KEEP_SIZE) || gfs2_is_jdata(ip)
)
return -EOPNOTSUPP;
mutex_lock(&inode->i_mutex);