1 files changed, 8 insertions, 4 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index e570081f9f76..35f281033142 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2470,13 +2470,16 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
                 .mode = mode
         };
         int err;
+        bool lock_inode = !(mode & FALLOC_FL_KEEP_SIZE) ||
+                           (mode & FALLOC_FL_PUNCH_HOLE);
 
         if (fc->no_fallocate)
                 return -EOPNOTSUPP;
 
-        if (mode & FALLOC_FL_PUNCH_HOLE) {
+        if (lock_inode) {
                 mutex_lock(&inode->i_mutex);
-                fuse_set_nowrite(inode);
+                if (mode & FALLOC_FL_PUNCH_HOLE)
+                        fuse_set_nowrite(inode);
         }
 
         req = fuse_get_req_nopages(fc);
@@ -2511,8 +2514,9 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
         fuse_invalidate_attr(inode);
 
 out:
-        if (mode & FALLOC_FL_PUNCH_HOLE) {
-                fuse_release_nowrite(inode);
+        if (lock_inode) {
+                if (mode & FALLOC_FL_PUNCH_HOLE)
+                        fuse_release_nowrite(inode);
                 mutex_unlock(&inode->i_mutex);
         }