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authorChristian Brauner <brauner@kernel.org>2023-11-30 13:49:09 +0100
committerChristian Brauner <brauner@kernel.org>2023-12-12 14:24:13 +0100
commit372a34e66fb7f95124fadae9c600b231c35696a7 (patch)
tree5edc7444222b13d09d807f9bad860534c1a1b6e5 /include/linux/fs.h
parent24fa3ae9467f49dd9698fd884f2c6b13cc8ea12d (diff)
fs: replace f_rcuhead with f_task_work
The naming is actively misleading since we switched to SLAB_TYPESAFE_BY_RCU. rcu_head is #define callback_head. Use callback_head directly and rename f_rcuhead to f_task_work. Add comments in there to explain what it's used for. Link: https://lore.kernel.org/r/20231130-vfs-files-fixes-v1-3-e73ca6f4ea83@kernel.org Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux/fs.h')
-rw-r--r--include/linux/fs.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 98b7a7a8c42e..354fd02e0e11 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -991,8 +991,10 @@ static inline int ra_has_index(struct file_ra_state *ra, pgoff_t index)
*/
struct file {
union {
+ /* fput() uses task work when closing and freeing file (default). */
+ struct callback_head f_task_work;
+ /* fput() must use workqueue (most kernel threads). */
struct llist_node f_llist;
- struct rcu_head f_rcuhead;
unsigned int f_iocb_flags;
};