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

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  [PATCH 3/3] locks: cleanup posix_lock_inode_wait and flock_lock_inode_wait Benjamin Coddington <bcodding@redhat.com> - 2015-10-22 17:40 +0200
    [RFC PATCH] locks: posix_lock_inode_wait() can be static kbuild test robot <lkp@intel.com> - 2015-10-22 18:40 +0200
    Re: [PATCH 3/3] locks: cleanup posix_lock_inode_wait and  flock_lock_inode_wait kbuild test robot <lkp@intel.com> - 2015-10-22 18:40 +0200

#1253925 — [PATCH 3/3] locks: cleanup posix_lock_inode_wait and flock_lock_inode_wait

All callers use locks_lock_inode_wait() instead.

Signed-off-by: Benjamin Coddington <bcodding@redhat.com>
---
 fs/locks.c         |    5 +----
 include/linux/fs.h |   24 ------------------------
 2 files changed, 1 insertions(+), 28 deletions(-)

diff --git a/fs/locks.c b/fs/locks.c
index 94d50d3..b6f3c92 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1167,8 +1167,7 @@ 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)
 {
@@ -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
@@ -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 2e283b7..05b07c9 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_file_wait(struct file *filp, 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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#1253971 — [RFC PATCH] locks: posix_lock_inode_wait() can be static

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
---
 locks.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/locks.c b/fs/locks.c
index daf4664..0d2b326 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1173,7 +1173,7 @@ EXPORT_SYMBOL(posix_lock_file);
  *
  * 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 ();
@@ -1860,7 +1860,7 @@ 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();
--
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#1253973 — Re: [PATCH 3/3] locks: cleanup posix_lock_inode_wait and flock_lock_inode_wait

Hi Benjamin,

[auto build test WARNING on jlayton/linux-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Benjamin-Coddington/locks-introduce-locks_lock_inode_wait/20151022-233848
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> fs/locks.c:1176:5: sparse: symbol 'posix_lock_inode_wait' was not declared. Should it be static?
>> fs/locks.c:1863:5: sparse: symbol 'flock_lock_inode_wait' was not declared. Should it be static?

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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