From 4510d86fbbb36872224482bb21836d47cce8be8c Mon Sep 17 00:00:00 2001 From: Kirill Tkhai Date: Fri, 9 Nov 2018 13:33:17 +0300 Subject: fuse: Convert fc->attr_version into atomic64_t This patch makes fc->attr_version of atomic64_t type, so fc->lock won't be needed to read or modify it anymore. Signed-off-by: Kirill Tkhai Signed-off-by: Miklos Szeredi --- fs/fuse/fuse_i.h | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'fs/fuse/fuse_i.h') diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 1b536b6c20f9..47c7b2238f91 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -730,7 +730,7 @@ struct fuse_conn { struct fuse_req *destroy_req; /** Version counter for attribute changes */ - u64 attr_version; + atomic64_t attr_version; /** Called on final put */ void (*release)(struct fuse_conn *); @@ -770,6 +770,11 @@ static inline int invalid_nodeid(u64 nodeid) return !nodeid || nodeid == FUSE_ROOT_ID; } +static inline u64 fuse_get_attr_version(struct fuse_conn *fc) +{ + return atomic64_read(&fc->attr_version); +} + /** Device operations */ extern const struct file_operations fuse_dev_operations; @@ -1000,8 +1005,6 @@ void fuse_flush_writepages(struct inode *inode); void fuse_set_nowrite(struct inode *inode); void fuse_release_nowrite(struct inode *inode); -u64 fuse_get_attr_version(struct fuse_conn *fc); - /** * File-system tells the kernel to invalidate cache for the given node id. */ -- cgit v1.2.3