The patch titled
locks: cleanup code duplication
has been removed from the -mm tree. Its filename was
locks-cleanup-code-duplication.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: locks: cleanup code duplication
From: Miklos Szeredi <mszeredi@xxxxxxx>
Extract common code into a function.
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
Cc: "J. Bruce Fields" <bfields@xxxxxxxxxxxx>
Cc: Trond Myklebust <trond.myklebust@xxxxxxxxxx>
Cc: Matthew Wilcox <matthew@xxxxxx>
Cc: David Teigland <teigland@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/locks.c | 71 ++++++++++++++++++++++-----------------------------
1 file changed, 31 insertions(+), 40 deletions(-)
diff -puN fs/locks.c~locks-cleanup-code-duplication fs/locks.c
--- a/fs/locks.c~locks-cleanup-code-duplication
+++ a/fs/locks.c
@@ -1738,6 +1738,35 @@ int vfs_lock_file(struct file *filp, uns
}
EXPORT_SYMBOL_GPL(vfs_lock_file);
+static int do_lock_file_wait(struct file *filp, unsigned int cmd,
+ struct file_lock *fl)
+{
+ int error;
+
+ error = security_file_lock(filp, fl->fl_type);
+ if (error)
+ return error;
+
+ if (filp->f_op && filp->f_op->lock != NULL)
+ error = filp->f_op->lock(filp, cmd, fl);
+ else {
+ for (;;) {
+ error = posix_lock_file(filp, fl, NULL);
+ if (error != FILE_LOCK_DEFERRED)
+ break;
+ error = wait_event_interruptible(fl->fl_wait,
+ !fl->fl_next);
+ if (!error)
+ continue;
+
+ locks_delete_block(fl);
+ break;
+ }
+ }
+
+ return error;
+}
+
/* Apply the lock described by l to an open file descriptor.
* This implements both the F_SETLK and F_SETLKW commands of fcntl().
*/
@@ -1795,26 +1824,7 @@ again:
goto out;
}
- error = security_file_lock(filp, file_lock->fl_type);
- if (error)
- goto out;
-
- if (filp->f_op && filp->f_op->lock != NULL)
- error = filp->f_op->lock(filp, cmd, file_lock);
- else {
- for (;;) {
- error = posix_lock_file(filp, file_lock, NULL);
- if (error != FILE_LOCK_DEFERRED)
- break;
- error = wait_event_interruptible(file_lock->fl_wait,
- !file_lock->fl_next);
- if (!error)
- continue;
-
- locks_delete_block(file_lock);
- break;
- }
- }
+ error = do_lock_file_wait(filp, cmd, file_lock);
/*
* Attempt to detect a close/fcntl race and recover by
@@ -1932,26 +1942,7 @@ again:
goto out;
}
- error = security_file_lock(filp, file_lock->fl_type);
- if (error)
- goto out;
-
- if (filp->f_op && filp->f_op->lock != NULL)
- error = filp->f_op->lock(filp, cmd, file_lock);
- else {
- for (;;) {
- error = posix_lock_file(filp, file_lock, NULL);
- if (error != FILE_LOCK_DEFERRED)
- break;
- error = wait_event_interruptible(file_lock->fl_wait,
- !file_lock->fl_next);
- if (!error)
- continue;
-
- locks_delete_block(file_lock);
- break;
- }
- }
+ error = do_lock_file_wait(filp, cmd, file_lock);
/*
* Attempt to detect a close/fcntl race and recover by
_
Patches currently in -mm which might be from mszeredi@xxxxxxx are
origin.patch
linux-next.patch
git-unprivileged-mounts.patch
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