diff options
| author | Jeff Layton <jlayton@primarydata.com> | 2015-01-16 21:05:54 +0100 |
|---|---|---|
| committer | Jeff Layton <jlayton@primarydata.com> | 2015-01-16 21:05:54 +0100 |
| commit | dd459bb1974c5e9cff3dfbf4f6fdb3e9363ef32e (patch) | |
| tree | a3e8ece763ff45bf2082a0c41b56f8a07dea44f6 /fs/locks.c | |
| parent | locks: add new struct list_head to struct file_lock (diff) | |
| download | linux-dd459bb1974c5e9cff3dfbf4f6fdb3e9363ef32e.tar.xz linux-dd459bb1974c5e9cff3dfbf4f6fdb3e9363ef32e.zip | |
locks: have locks_release_file use flock_lock_file to release generic flock locks
...instead of open-coding it and removing flock locks directly. This
helps consolidate the flock lock removal logic into a single spot.
Signed-off-by: Jeff Layton <jlayton@primarydata.com>
Diffstat (limited to 'fs/locks.c')
| -rw-r--r-- | fs/locks.c | 49 |
1 files changed, 31 insertions, 18 deletions
diff --git a/fs/locks.c b/fs/locks.c index bfe5f17401de..ae1e7cf721d6 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -2360,6 +2360,30 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner) EXPORT_SYMBOL(locks_remove_posix); +static void +locks_remove_flock(struct file *filp) +{ + struct file_lock fl = { + .fl_owner = filp, + .fl_pid = current->tgid, + .fl_file = filp, + .fl_flags = FL_FLOCK, + .fl_type = F_UNLCK, + .fl_end = OFFSET_MAX, + }; + + if (!file_inode(filp)->i_flock) + return; + + if (filp->f_op->flock) + filp->f_op->flock(filp, F_SETLKW, &fl); + else + flock_lock_file(filp, &fl); + + if (fl.fl_ops && fl.fl_ops->fl_release_private) + fl.fl_ops->fl_release_private(&fl); +} + /* * This function is called on the last close of an open file. */ @@ -2370,24 +2394,14 @@ void locks_remove_file(struct file *filp) struct file_lock **before; LIST_HEAD(dispose); - if (!inode->i_flock) - return; - + /* remove any OFD locks */ locks_remove_posix(filp, filp); - if (filp->f_op->flock) { - struct file_lock fl = { - .fl_owner = filp, - .fl_pid = current->tgid, - .fl_file = filp, - .fl_flags = FL_FLOCK, - .fl_type = F_UNLCK, - .fl_end = OFFSET_MAX, - }; - filp->f_op->flock(filp, F_SETLKW, &fl); - if (fl.fl_ops && fl.fl_ops->fl_release_private) - fl.fl_ops->fl_release_private(&fl); - } + /* remove flock locks */ + locks_remove_flock(filp); + + if (!inode->i_flock) + return; spin_lock(&inode->i_lock); before = &inode->i_flock; @@ -2407,8 +2421,7 @@ void locks_remove_file(struct file *filp) * some info about it and then just remove it from * the list. */ - WARN(!IS_FLOCK(fl), - "leftover lock: dev=%u:%u ino=%lu type=%hhd flags=0x%x start=%lld end=%lld\n", + WARN(1, "leftover lock: dev=%u:%u ino=%lu type=%hhd flags=0x%x start=%lld end=%lld\n", MAJOR(inode->i_sb->s_dev), MINOR(inode->i_sb->s_dev), inode->i_ino, fl->fl_type, fl->fl_flags, |