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tmpfs: ZERO_RANGE and COLLAPSE_RANGE not currently supported
[deliverable/linux.git]
/
mm
/
shmem.c
diff --git
a/mm/shmem.c
b/mm/shmem.c
index f484c276e994923a5c05577b42d5a9dcc58ae7cc..91b912b37b8caaa51bcfffb2c0563372116c4d1e 100644
(file)
--- a/
mm/shmem.c
+++ b/
mm/shmem.c
@@
-1724,6
+1724,9
@@
static long shmem_fallocate(struct file *file, int mode, loff_t offset,
pgoff_t start, index, end;
int error;
+ if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE))
+ return -EOPNOTSUPP;
+
mutex_lock(&inode->i_mutex);
if (mode & FALLOC_FL_PUNCH_HOLE) {
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