diff options
| author | Dai Ngo <dai.ngo@oracle.com> | 2022-05-03 00:19:24 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2022-05-19 19:25:39 +0300 |
| commit | 591502c5cb325b1c6ec59ab161927d606b918aa0 (patch) | |
| tree | 3fd2d5fa59419021c3cec2eff473dceb3d534c2d /include | |
| parent | d76cc46b37e123e8d245cc3490978dbda56f979d (diff) | |
| download | linux-591502c5cb325b1c6ec59ab161927d606b918aa0.tar.xz | |
fs/lock: add helper locks_owner_has_blockers to check for blockers
Add helper locks_owner_has_blockers to check if there is any blockers
for a given lockowner.
Reviewed-by: J. Bruce Fields <bfields@fieldses.org>
Signed-off-by: Dai Ngo <dai.ngo@oracle.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/fs.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index bbde95387a23..b8ed7f974fb4 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1174,6 +1174,8 @@ extern void lease_unregister_notifier(struct notifier_block *); struct files_struct; extern void show_fd_locks(struct seq_file *f, struct file *filp, struct files_struct *files); +extern bool locks_owner_has_blockers(struct file_lock_context *flctx, + fl_owner_t owner); #else /* !CONFIG_FILE_LOCKING */ static inline int fcntl_getlk(struct file *file, unsigned int cmd, struct flock __user *user) @@ -1309,6 +1311,11 @@ static inline int lease_modify(struct file_lock *fl, int arg, struct files_struct; static inline void show_fd_locks(struct seq_file *f, struct file *filp, struct files_struct *files) {} +static inline bool locks_owner_has_blockers(struct file_lock_context *flctx, + fl_owner_t owner) +{ + return false; +} #endif /* !CONFIG_FILE_LOCKING */ static inline struct inode *file_inode(const struct file *f) |