fuse: move reverting attributes to fuse_change_attributes()

[sfrench/cifs-2.6.git] / fs / fuse / inode.c

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index db33f2050f74767dd65a508eb992b596c5ce19f0..1ecc46dff93e0eef7f7006081dcf0274912109bb 100644 (file)
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -228,6 +228,19 @@ void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr,
        struct timespec64 old_mtime;
 
        spin_lock(&fi->lock);
+       /*
+        * In case of writeback_cache enabled, writes update mtime, ctime and
+        * may update i_size.  In these cases trust the cached value in the
+        * inode.
+        */
+       if (is_wb) {
+               attr->size = i_size_read(inode);
+               attr->mtime = inode->i_mtime.tv_sec;
+               attr->mtimensec = inode->i_mtime.tv_nsec;
+               attr->ctime = inode->i_ctime.tv_sec;
+               attr->ctimensec = inode->i_ctime.tv_nsec;
+       }
+
        if ((attr_version != 0 && fi->attr_version > attr_version) ||
            test_bit(FUSE_I_SIZE_UNSTABLE, &fi->state)) {
                spin_unlock(&fi->lock);