From: Miklos Szeredi Date: Fri, 22 Oct 2021 15:03:03 +0000 (+0200) Subject: fuse: fix attr version comparison in fuse_read_update_size() X-Git-Tag: v6.6.17~8874^2~9 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=484ce65715b06aead8c4901f01ca32c5a240bc71;p=platform%2Fkernel%2Flinux-rpi.git fuse: fix attr version comparison in fuse_read_update_size() A READ request returning a short count is taken as indication of EOF, and the cached file size is modified accordingly. Fix the attribute version checking to allow for changes to fc->attr_version on other inodes. Signed-off-by: Miklos Szeredi --- diff --git a/fs/fuse/file.c b/fs/fuse/file.c index c3fd88da..ddd563f 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -787,7 +787,7 @@ static void fuse_read_update_size(struct inode *inode, loff_t size, struct fuse_inode *fi = get_fuse_inode(inode); spin_lock(&fi->lock); - if (attr_ver == fi->attr_version && size < inode->i_size && + if (attr_ver >= fi->attr_version && size < inode->i_size && !test_bit(FUSE_I_SIZE_UNSTABLE, &fi->state)) { fi->attr_version = atomic64_inc_return(&fc->attr_version); i_size_write(inode, size);