[PATCH V2 3/3] locks: cleanup posix_lock_inode_wait and flock_lock_inode_wait

From: Benjamin Coddington
Date: Thu Oct 22 2015 - 13:38:28 EST


All callers use locks_lock_inode_wait() instead.

Signed-off-by: Benjamin Coddington <bcodding@xxxxxxxxxx>
---
fs/locks.c | 9 +++------
include/linux/fs.h | 24 ------------------------
2 files changed, 3 insertions(+), 30 deletions(-)

diff --git a/fs/locks.c b/fs/locks.c
index 94d50d3..4181f83 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1167,10 +1167,9 @@ EXPORT_SYMBOL(posix_lock_file);
* @inode: inode of file to which lock request should be applied
* @fl: The lock to be applied
*
- * Variant of posix_lock_file_wait that does not take a filp, and so can be
- * used after the filp has already been torn down.
+ * Apply a POSIX style lock request to an inode.
*/
-int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)
+static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)
{
int error;
might_sleep ();
@@ -1187,7 +1186,6 @@ int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl)
}
return error;
}
-EXPORT_SYMBOL(posix_lock_inode_wait);

/**
* locks_mandatory_locked - Check for an active lock
@@ -1856,7 +1854,7 @@ int fcntl_setlease(unsigned int fd, struct file *filp, long arg)
*
* Apply a FLOCK style lock request to an inode.
*/
-int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)
+static int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)
{
int error;
might_sleep();
@@ -1873,7 +1871,6 @@ int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl)
}
return error;
}
-EXPORT_SYMBOL(flock_lock_inode_wait);

/**
* locks_lock_inode_wait - Apply a lock to an inode
diff --git a/include/linux/fs.h b/include/linux/fs.h
index b064d4c..4974968 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1053,12 +1053,10 @@ extern void locks_remove_file(struct file *);
extern void locks_release_private(struct file_lock *);
extern void posix_test_lock(struct file *, struct file_lock *);
extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *);
-extern int posix_lock_inode_wait(struct inode *, struct file_lock *);
extern int posix_unblock_lock(struct file_lock *);
extern int vfs_test_lock(struct file *, struct file_lock *);
extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *);
extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
-extern int flock_lock_inode_wait(struct inode *inode, struct file_lock *fl);
extern int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl);
extern int __break_lease(struct inode *inode, unsigned int flags, unsigned int type);
extern void lease_get_mtime(struct inode *, struct timespec *time);
@@ -1145,12 +1143,6 @@ static inline int posix_lock_file(struct file *filp, struct file_lock *fl,
return -ENOLCK;
}

-static inline int posix_lock_inode_wait(struct inode *inode,
- struct file_lock *fl)
-{
- return -ENOLCK;
-}
-
static inline int posix_unblock_lock(struct file_lock *waiter)
{
return -ENOENT;
@@ -1172,12 +1164,6 @@ static inline int vfs_cancel_lock(struct file *filp, struct file_lock *fl)
return 0;
}

-static inline int flock_lock_inode_wait(struct inode *inode,
- struct file_lock *request)
-{
- return -ENOLCK;
-}
-
static inline int locks_lock_inode_wait(struct inode *inode, struct file_lock *fl)
{
return -ENOLCK;
@@ -1221,16 +1207,6 @@ static inline struct inode *file_inode(const struct file *f)
return f->f_inode;
}

-static inline int posix_lock_file_wait(struct file *filp, struct file_lock *fl)
-{
- return posix_lock_inode_wait(file_inode(filp), fl);
-}
-
-static inline int flock_lock_file_wait(struct file *filp, struct file_lock *fl)
-{
- return flock_lock_inode_wait(file_inode(filp), fl);
-}
-
static inline int locks_lock_file_wait(struct file *filp, struct file_lock *fl)
{
return locks_lock_inode_wait(file_inode(filp), fl);
--
1.7.1

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