From: Namjae Jeon <namjae.jeon@xxxxxxxxxxx>
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 <namjae.jeon@xxxxxxxxxxx>
Signed-off-by: Ashish Sangwan <a.sangwan@xxxxxxxxxxx>
---
fs/ext4/extents.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index a64242f..8d45ef8 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5461,6 +5461,11 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
goto out_mutex;
}
+ if (EXT4_SB(inode->i_sb)->s_cluster_ratio > 1) {
+ ret = -EOPNOTSUPP;
+ goto out_mutex;
+ }
+
truncate_pagecache_range(inode, ioffset, -1);
/* Wait for existing dio to complete */
--
1.7.11-rc0
--
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