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| author |   Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-14 23:22:17 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-10-14 23:28:12 +0200 |
| commit | 205cb37b89ab37db553907e5ac17962eec561804 (patch) | |
| tree | 1ba8dcbef0112fbd0d77d28a317c950b11c19563 /fs/reiserfs | |
| parent | kill-the-bkl/reiserfs: always lock the ioctl path (diff) | |
| download | linux-dev-205cb37b89ab37db553907e5ac17962eec561804.tar.xz linux-dev-205cb37b89ab37db553907e5ac17962eec561804.zip | |
kill-the-bkl/reiserfs: definitely drop the bkl from reiserfs_ioctl()
The reiserfs ioctl path doesn't need the big kernel lock anymore , now
that the filesystem synchronizes through its own lock.
We can then turn reiserfs_ioctl() into an unlocked_ioctl callback.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Cc: Chris Mason <chris.mason@oracle.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Alexander Beregalov <a.beregalov@gmail.com>
Cc: Laurent Riffard <laurent.riffard@free.fr>
Cc: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'fs/reiserfs')
| -rw-r--r-- | fs/reiserfs/dir.c | 2 | ||||
| -rw-r--r-- | fs/reiserfs/file.c | 2 | ||||
| -rw-r--r-- | fs/reiserfs/ioctl.c | 11 |
3 files changed, 5 insertions, 10 deletions
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c index 17f31ad379c8..c094f58c7448 100644 --- a/fs/reiserfs/dir.c +++ b/fs/reiserfs/dir.c @@ -20,7 +20,7 @@ const struct file_operations reiserfs_dir_operations = { .read = generic_read_dir, .readdir = reiserfs_readdir, .fsync = reiserfs_dir_fsync, - .ioctl = reiserfs_ioctl, + .unlocked_ioctl = reiserfs_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = reiserfs_compat_ioctl, #endif diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 9f436668b7f8..da2dba082e2d 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -284,7 +284,7 @@ static ssize_t reiserfs_file_write(struct file *file, /* the file we are going t const struct file_operations reiserfs_file_operations = { .read = do_sync_read, .write = reiserfs_file_write, - .ioctl = reiserfs_ioctl, + .unlocked_ioctl = reiserfs_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = reiserfs_compat_ioctl, #endif diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index e30e8be09179..ace77451ceb1 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -20,9 +20,9 @@ * 2) REISERFS_IOC_[GS]ETFLAGS, REISERFS_IOC_[GS]ETVERSION * 3) That's all for a while ... */ -int reiserfs_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, - unsigned long arg) +long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) { + struct inode *inode = filp->f_path.dentry->d_inode; unsigned int flags; int err = 0; @@ -132,9 +132,6 @@ setversion_out: long reiserfs_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - struct inode *inode = file->f_path.dentry->d_inode; - int ret; - /* These are just misnamed, they actually get/put from/to user an int */ switch (cmd) { case REISERFS_IOC32_UNPACK: @@ -156,9 +153,7 @@ long reiserfs_compat_ioctl(struct file *file, unsigned int cmd, return -ENOIOCTLCMD; } - ret = reiserfs_ioctl(inode, file, cmd, (unsigned long) compat_ptr(arg)); - - return ret; + return reiserfs_ioctl(file, cmd, (unsigned long) compat_ptr(arg)); } #endif |