fuse: update file size on short read

If the READ request returned a short count, then either

  - cached size is incorrect
  - filesystem is buggy, as short reads are only allowed on EOF

So assume that the size is wrong and refresh it, so that cached read() doesn't
zero fill the missing chunk.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 48b9971ecd97..2060bf06b906 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -132,7 +132,7 @@ static void fuse_lookup_init(struct fuse_req *req, struct inode *dir,
         req->out.args[0].value = outarg;
 }
 
-static u64 fuse_get_attr_version(struct fuse_conn *fc)
+u64 fuse_get_attr_version(struct fuse_conn *fc)
 {
         u64 curr_version;