diff options
| author | Badari Pulavarty <pbadari@us.ibm.com> | 2006-10-01 08:28:47 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-01 09:39:28 +0200 |
| commit | ee0b3e671baff681d69fbf0db33b47603c0a8280 (patch) | |
| tree | 3202ff815b2196c6c353bc5b28d7a2800df273ec /sound | |
| parent | [PATCH] Vectorize aio_read/aio_write fileop methods (diff) | |
| download | linux-ee0b3e671baff681d69fbf0db33b47603c0a8280.tar.xz linux-ee0b3e671baff681d69fbf0db33b47603c0a8280.zip | |
[PATCH] Remove readv/writev methods and use aio_read/aio_write instead
This patch removes readv() and writev() methods and replaces them with
aio_read()/aio_write() methods.
Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_native.c | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 891d7140553c..37b4b10850ae 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2852,8 +2852,8 @@ static ssize_t snd_pcm_write(struct file *file, const char __user *buf, return result; } -static ssize_t snd_pcm_readv(struct file *file, const struct iovec *_vector, - unsigned long count, loff_t * offset) +static ssize_t snd_pcm_aio_read(struct kiocb *iocb, const struct iovec *iov, + unsigned long nr_segs, loff_t pos) { struct snd_pcm_file *pcm_file; @@ -2864,22 +2864,22 @@ static ssize_t snd_pcm_readv(struct file *file, const struct iovec *_vector, void __user **bufs; snd_pcm_uframes_t frames; - pcm_file = file->private_data; + pcm_file = iocb->ki_filp->private_data; substream = pcm_file->substream; snd_assert(substream != NULL, return -ENXIO); runtime = substream->runtime; if (runtime->status->state == SNDRV_PCM_STATE_OPEN) return -EBADFD; - if (count > 1024 || count != runtime->channels) + if (nr_segs > 1024 || nr_segs != runtime->channels) return -EINVAL; - if (!frame_aligned(runtime, _vector->iov_len)) + if (!frame_aligned(runtime, iov->iov_len)) return -EINVAL; - frames = bytes_to_samples(runtime, _vector->iov_len); - bufs = kmalloc(sizeof(void *) * count, GFP_KERNEL); + frames = bytes_to_samples(runtime, iov->iov_len); + bufs = kmalloc(sizeof(void *) * nr_segs, GFP_KERNEL); if (bufs == NULL) return -ENOMEM; - for (i = 0; i < count; ++i) - bufs[i] = _vector[i].iov_base; + for (i = 0; i < nr_segs; ++i) + bufs[i] = iov[i].iov_base; result = snd_pcm_lib_readv(substream, bufs, frames); if (result > 0) result = frames_to_bytes(runtime, result); @@ -2887,8 +2887,8 @@ static ssize_t snd_pcm_readv(struct file *file, const struct iovec *_vector, return result; } -static ssize_t snd_pcm_writev(struct file *file, const struct iovec *_vector, - unsigned long count, loff_t * offset) +static ssize_t snd_pcm_aio_write(struct kiocb *iocb, const struct iovec *iov, + unsigned long nr_segs, loff_t pos) { struct snd_pcm_file *pcm_file; struct snd_pcm_substream *substream; @@ -2898,7 +2898,7 @@ static ssize_t snd_pcm_writev(struct file *file, const struct iovec *_vector, void __user **bufs; snd_pcm_uframes_t frames; - pcm_file = file->private_data; + pcm_file = iocb->ki_filp->private_data; substream = pcm_file->substream; snd_assert(substream != NULL, result = -ENXIO; goto end); runtime = substream->runtime; @@ -2906,17 +2906,17 @@ static ssize_t snd_pcm_writev(struct file *file, const struct iovec *_vector, result = -EBADFD; goto end; } - if (count > 128 || count != runtime->channels || - !frame_aligned(runtime, _vector->iov_len)) { + if (nr_segs > 128 || nr_segs != runtime->channels || + !frame_aligned(runtime, iov->iov_len)) { result = -EINVAL; goto end; } - frames = bytes_to_samples(runtime, _vector->iov_len); - bufs = kmalloc(sizeof(void *) * count, GFP_KERNEL); + frames = bytes_to_samples(runtime, iov->iov_len); + bufs = kmalloc(sizeof(void *) * nr_segs, GFP_KERNEL); if (bufs == NULL) return -ENOMEM; - for (i = 0; i < count; ++i) - bufs[i] = _vector[i].iov_base; + for (i = 0; i < nr_segs; ++i) + bufs[i] = iov[i].iov_base; result = snd_pcm_lib_writev(substream, bufs, frames); if (result > 0) result = frames_to_bytes(runtime, result); @@ -3426,7 +3426,7 @@ struct file_operations snd_pcm_f_ops[2] = { { .owner = THIS_MODULE, .write = snd_pcm_write, - .writev = snd_pcm_writev, + .aio_write = snd_pcm_aio_write, .open = snd_pcm_playback_open, .release = snd_pcm_release, .poll = snd_pcm_playback_poll, @@ -3438,7 +3438,7 @@ struct file_operations snd_pcm_f_ops[2] = { { .owner = THIS_MODULE, .read = snd_pcm_read, - .readv = snd_pcm_readv, + .aio_read = snd_pcm_aio_read, .open = snd_pcm_capture_open, .release = snd_pcm_release, .poll = snd_pcm_capture_poll, |