File/directory fsync is not necessary for read-only mounts.
Signed-off-by: Peng Hao <flyingpeng@xxxxxxxxxxx>
---
fs/fuse/dir.c | 3 +++
fs/fuse/file.c | 2 ++
2 files changed, 5 insertions(+)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 656e921f3506..1d4fed556c93 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1448,6 +1448,9 @@ static int fuse_dir_fsync(struct file *file, loff_t start, loff_t end,
if (fc->no_fsyncdir)
return 0;
+ if (sb_rdonly(inode->i_sb))
+ return 0;
+
inode_lock(inode);
err = fuse_fsync_common(file, start, end, datasync, FUSE_FSYNCDIR);
if (err == -ENOSYS) {
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 9d6c5f6361f7..18668fc00c3b 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -550,6 +550,8 @@ static int fuse_fsync(struct file *file, loff_t start, loff_t end,
if (fuse_is_bad(inode))
return -EIO;
+ if (sb_rdonly(inode->i_sb))
+ return 0;
inode_lock(inode);
--
2.27.0
