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| author | Mathieu Segaud <mathieu.segaud@regala.cx> | 2008-01-14 15:43:18 +0100 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-01-23 18:29:28 +0100 |
| commit | f7fea185d2998dc4c902ec47834ab6db28fe0029 (patch) | |
| tree | fdcbd91c4007ac3f4a7b98f2410f7eba546d5cb5 /drivers/scsi | |
| parent | [SCSI] sg: Only print SCSI data direction warning once for a command (diff) | |
| download | linux-f7fea185d2998dc4c902ec47834ab6db28fe0029.tar.xz linux-f7fea185d2998dc4c902ec47834ab6db28fe0029.zip | |
[SCSI] ch: Convert to use unlocked_ioctl
As of now, compat_ioctl already runs without the BKL, whereas ioctl runs
with the BKL. This patch first converts changer_fops to use a .unlocked_ioctl
member. It applies the same locking rationale than ch_ioctl_compat() uses
to ch_ioctl().
Signed-off-by: Mathieu Segaud <mathieu.segaud@regala.cx>
Reviewed-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ch.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c index 2311019304c0..cead0f5379c5 100644 --- a/drivers/scsi/ch.c +++ b/drivers/scsi/ch.c @@ -92,8 +92,7 @@ static int ch_probe(struct device *); static int ch_remove(struct device *); static int ch_open(struct inode * inode, struct file * filp); static int ch_release(struct inode * inode, struct file * filp); -static int ch_ioctl(struct inode * inode, struct file * filp, - unsigned int cmd, unsigned long arg); +static long ch_ioctl(struct file *filp, unsigned int cmd, unsigned long arg); #ifdef CONFIG_COMPAT static long ch_ioctl_compat(struct file * filp, unsigned int cmd, unsigned long arg); @@ -130,12 +129,12 @@ static struct scsi_driver ch_template = static const struct file_operations changer_fops = { - .owner = THIS_MODULE, - .open = ch_open, - .release = ch_release, - .ioctl = ch_ioctl, + .owner = THIS_MODULE, + .open = ch_open, + .release = ch_release, + .unlocked_ioctl = ch_ioctl, #ifdef CONFIG_COMPAT - .compat_ioctl = ch_ioctl_compat, + .compat_ioctl = ch_ioctl_compat, #endif }; @@ -626,7 +625,7 @@ ch_checkrange(scsi_changer *ch, unsigned int type, unsigned int unit) return 0; } -static int ch_ioctl(struct inode * inode, struct file * file, +static long ch_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { scsi_changer *ch = file->private_data; @@ -887,8 +886,7 @@ static long ch_ioctl_compat(struct file * file, case CHIOINITELEM: case CHIOSVOLTAG: /* compatible */ - return ch_ioctl(NULL /* inode, unused */, - file, cmd, arg); + return ch_ioctl(file, cmd, arg); case CHIOGSTATUS32: { struct changer_element_status32 ces32; |