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gfs2: Don't support fallocate on jdata files

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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>
This commit is contained in:
Abhi Das 2015-06-09 09:16:46 -05:00 committed by Bob Peterson
parent 1bdf45352e
commit 86066914ed
1 changed files with 1 additions and 1 deletions
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fs/gfs2/file.c
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@ -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);