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[PATCH] eliminate use of ->f_flags in block methods

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store needed information in f_mode

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2007-08-26 19:50:05 -04:00
commit 86d434dede
9 changed files with 26 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/block/ataflop.c
View file

@ -1813,17 +1813,17 @@ static int floppy_open( struct inode *inode, struct file *filp )
if (p->ref && p->type != type)
return -EBUSY;
if (p->ref == -1 || (p->ref && filp->f_flags & O_EXCL))
if (p->ref == -1 || (p->ref && filp->f_mode & FMODE_EXCL))
return -EBUSY;
if (filp->f_flags & O_EXCL)
if (filp->f_mode & FMODE_EXCL)
p->ref = -1;
else
p->ref++;
p->type = type;
if (filp->f_flags & O_NDELAY)
if (filp->f_mode & FMODE_NDELAY)
return 0;
if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {

15
drivers/block/floppy.c
View file

@ -3453,7 +3453,7 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
static int fd_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
unsigned long param)
{
#define FD_IOCTL_ALLOWED ((filp) && (filp)->private_data)
#define FD_IOCTL_ALLOWED ((filp) && (filp)->f_mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
#define OUT(c,x) case c: outparam = (const char *) (x); break
#define IN(c,x,tag) case c: *(x) = inparam. tag ; return 0
@ -3690,7 +3690,6 @@ static int floppy_open(struct inode *inode, struct file *filp)
int res = -EBUSY;
char *tmp;
filp->private_data = (void *)0;
mutex_lock(&open_lock);
old_dev = UDRS->fd_device;
if (opened_bdev[drive] && opened_bdev[drive] != inode->i_bdev)
@ -3701,10 +3700,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
USETF(FD_VERIFY);
}
if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_flags & O_EXCL)))
if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (filp->f_mode & FMODE_EXCL)))
goto out2;
if (filp->f_flags & O_EXCL)
if (filp->f_mode & FMODE_EXCL)
UDRS->fd_ref = -1;
else
UDRS->fd_ref++;
@ -3751,16 +3750,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
buffer_track = -1;
}
/* Allow ioctls if we have write-permissions even if read-only open.
* Needed so that programs such as fdrawcmd still can work on write
* protected disks */
if ((filp->f_mode & FMODE_WRITE) || !file_permission(filp, MAY_WRITE))
filp->private_data = (void *)8;
if (UFDCS->rawcmd == 1)
UFDCS->rawcmd = 2;
if (!(filp->f_flags & O_NDELAY)) {
if (!(filp->f_mode & FMODE_NDELAY)) {
if (filp->f_mode & (FMODE_READ|FMODE_WRITE)) {
UDRS->last_checked = 0;
check_disk_change(inode->i_bdev);

6
drivers/block/swim3.c
View file

@ -904,10 +904,10 @@ static int floppy_open(struct inode *inode, struct file *filp)
swim3_action(fs, SETMFM);
swim3_select(fs, RELAX);
} else if (fs->ref_count == -1 || filp->f_flags & O_EXCL)
} else if (fs->ref_count == -1 || filp->f_mode & FMODE_EXCL)
return -EBUSY;
if (err == 0 && (filp->f_flags & O_NDELAY) == 0
if (err == 0 && (filp->f_mode & FMODE_NDELAY) == 0
&& (filp->f_mode & (FMODE_READ|FMODE_WRITE))) {
check_disk_change(inode->i_bdev);
if (fs->ejected)
@ -930,7 +930,7 @@ static int floppy_open(struct inode *inode, struct file *filp)
return err;
}
if (filp->f_flags & O_EXCL)
if (filp->f_mode & FMODE_EXCL)
fs->ref_count = -1;
else
++fs->ref_count;

2
drivers/block/ub.c
View file

@ -1691,7 +1691,7 @@ static int ub_bd_open(struct inode *inode, struct file *filp)
* under some pretty murky conditions (a failure of READ CAPACITY).
* We may need it one day.
*/
if (lun->removable && lun->changed && !(filp->f_flags & O_NDELAY)) {
if (lun->removable && lun->changed && !(filp->f_mode & FMODE_NDELAY)) {
rc = -ENOMEDIUM;
goto err_open;
}