From: Xiubo Li <xiubli@xxxxxxxxxx>
Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx>
---
fs/ceph/inode.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 45ca4e598ef0..a2ff964e332b 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -2275,8 +2275,13 @@ static int fill_fscrypt_truncate(struct inode *inode,
ceph_cap_string(issued));
/* Try to writeback the dirty pagecaches */
- if (issued & (CEPH_CAP_FILE_BUFFER))
- filemap_write_and_wait(inode->i_mapping);
+ if (issued & (CEPH_CAP_FILE_BUFFER)) {
+ loff_t lend = orig_pos + CEPH_FSCRYPT_BLOCK_SHIFT - 1;
+ ret = filemap_write_and_wait_range(inode->i_mapping,
+ orig_pos, lend);
+ if (ret < 0)
+ goto out;
+ }
page = __page_cache_alloc(GFP_KERNEL);
if (page == NULL) {
--
2.27.0
