mirror of https://gitee.com/openkylin/linux.git
BKL-Removal: convert pipe to use unlocked_ioctl too
No BKL needed in pipe_ioctl Signed-off-by: Andi Kleen <ak@suse.de> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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parent
de5c9edee7
commit
d59d0b1b88
16
fs/pipe.c
16
fs/pipe.c
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@ -576,9 +576,7 @@ bad_pipe_w(struct file *filp, const char __user *buf, size_t count,
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return -EBADF;
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}
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static int
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pipe_ioctl(struct inode *pino, struct file *filp,
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unsigned int cmd, unsigned long arg)
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static long pipe_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
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{
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struct inode *inode = filp->f_path.dentry->d_inode;
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struct pipe_inode_info *pipe;
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@ -785,7 +783,7 @@ const struct file_operations read_fifo_fops = {
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.aio_read = pipe_read,
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.write = bad_pipe_w,
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.poll = pipe_poll,
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.ioctl = pipe_ioctl,
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.unlocked_ioctl = pipe_ioctl,
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.open = pipe_read_open,
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.release = pipe_read_release,
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.fasync = pipe_read_fasync,
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@ -797,7 +795,7 @@ const struct file_operations write_fifo_fops = {
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.write = do_sync_write,
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.aio_write = pipe_write,
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.poll = pipe_poll,
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.ioctl = pipe_ioctl,
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.unlocked_ioctl = pipe_ioctl,
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.open = pipe_write_open,
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.release = pipe_write_release,
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.fasync = pipe_write_fasync,
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@ -810,7 +808,7 @@ const struct file_operations rdwr_fifo_fops = {
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.write = do_sync_write,
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.aio_write = pipe_write,
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.poll = pipe_poll,
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.ioctl = pipe_ioctl,
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.unlocked_ioctl = pipe_ioctl,
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.open = pipe_rdwr_open,
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.release = pipe_rdwr_release,
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.fasync = pipe_rdwr_fasync,
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@ -822,7 +820,7 @@ static const struct file_operations read_pipe_fops = {
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.aio_read = pipe_read,
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.write = bad_pipe_w,
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.poll = pipe_poll,
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.ioctl = pipe_ioctl,
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.unlocked_ioctl = pipe_ioctl,
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.open = pipe_read_open,
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.release = pipe_read_release,
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.fasync = pipe_read_fasync,
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@ -834,7 +832,7 @@ static const struct file_operations write_pipe_fops = {
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.write = do_sync_write,
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.aio_write = pipe_write,
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.poll = pipe_poll,
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.ioctl = pipe_ioctl,
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.unlocked_ioctl = pipe_ioctl,
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.open = pipe_write_open,
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.release = pipe_write_release,
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.fasync = pipe_write_fasync,
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@ -847,7 +845,7 @@ static const struct file_operations rdwr_pipe_fops = {
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.write = do_sync_write,
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.aio_write = pipe_write,
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.poll = pipe_poll,
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.ioctl = pipe_ioctl,
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.unlocked_ioctl = pipe_ioctl,
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.open = pipe_rdwr_open,
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.release = pipe_rdwr_release,
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.fasync = pipe_rdwr_fasync,
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