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| author | Arnd Bergmann <arnd@arndb.de> | 2010-07-08 10:18:46 +0200 |
|---|---|---|
| committer | Jens Axboe <jaxboe@fusionio.com> | 2010-08-07 18:25:00 +0200 |
| commit | 8a6cfeb6deca3a8fefd639d898b0d163c0b5d368 (patch) | |
| tree | 9a633ad48c3b1ada0519ee7bade0602f940037f6 /drivers/ide/ide-disk_ioctl.c | |
| parent | 34484062445fe905bf02c72f87ddda21881acda3 (diff) | |
| download | lwn-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.tar.gz lwn-8a6cfeb6deca3a8fefd639d898b0d163c0b5d368.zip | |
block: push down BKL into .locked_ioctl
As a preparation for the removal of the big kernel
lock in the block layer, this removes the BKL
from the common ioctl handling code, moving it
into every single driver still using it.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/ide/ide-disk_ioctl.c')
| -rw-r--r-- | drivers/ide/ide-disk_ioctl.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/ide/ide-disk_ioctl.c b/drivers/ide/ide-disk_ioctl.c index 7b783dd7c0be..ec94c66918f6 100644 --- a/drivers/ide/ide-disk_ioctl.c +++ b/drivers/ide/ide-disk_ioctl.c @@ -1,6 +1,7 @@ #include <linux/kernel.h> #include <linux/ide.h> #include <linux/hdreg.h> +#include <linux/smp_lock.h> #include "ide-disk.h" @@ -18,9 +19,13 @@ int ide_disk_ioctl(ide_drive_t *drive, struct block_device *bdev, fmode_t mode, { int err; + lock_kernel(); err = ide_setting_ioctl(drive, bdev, cmd, arg, ide_disk_ioctl_settings); if (err != -EOPNOTSUPP) - return err; + goto out; - return generic_ide_ioctl(drive, bdev, cmd, arg); + err = generic_ide_ioctl(drive, bdev, cmd, arg); +out: + unlock_kernel(); + return err; } |