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-rw-r--r--fs/ceph/file.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index 3020851..19af25d 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -1177,6 +1177,9 @@ static long ceph_fallocate(struct file *file, int mode,
loff_t endoff = 0;
loff_t size;
+ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
+ return -EOPNOTSUPP;
+
if (!S_ISREG(inode->i_mode))
return -EOPNOTSUPP;
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