ext4: disable COLLAPSE_RANGE for bigalloc

Once COLLAPSE RANGE is be disable for ext4 with bigalloc feature till finding root-cause of problem. It will be enable with fixing that regression of xfstest(generic 075 and 091) again. Signed-off-by: Namjae Jeon <[email protected]> Signed-off-by: Ashish Sangwan <[email protected]> Reviewed-by: Lukas Czerner <[email protected]> Signed-off-by: "Theodore Ts'o" <[email protected]>
xlks · Apr 19, 2014 · 0a04b24 · 0a04b24
1 parent a8680e0
commit 0a04b24
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
@@ -5406,6 +5406,9 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 	if (!S_ISREG(inode->i_mode))
 		return -EINVAL;
 
+	if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1)
+		return -EOPNOTSUPP;
+
 	trace_ext4_collapse_range(inode, offset, len);
 
 	punch_start = offset >> EXT4_BLOCK_SIZE_BITS(sb);