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[PATCH] Remove readv/writev methods and use aio_read/aio_write instead

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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>
This commit is contained in:
Badari Pulavarty
2006-09-30 23:28:47 -07:00
committed by Linus Torvalds
parent 027445c372
commit ee0b3e671b
21 changed files with 154 additions and 388 deletions
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36
mm/filemap.c
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@@ -2421,42 +2421,6 @@ ssize_t generic_file_write(struct file *file, const char __user *buf,
}
EXPORT_SYMBOL(generic_file_write);
ssize_t generic_file_readv(struct file *filp, const struct iovec *iov,
unsigned long nr_segs, loff_t *ppos)
{
struct kiocb kiocb;
ssize_t ret;
init_sync_kiocb(&kiocb, filp);
ret = __generic_file_aio_read(&kiocb, iov, nr_segs, ppos);
if (-EIOCBQUEUED == ret)
ret = wait_on_sync_kiocb(&kiocb);
return ret;
}
EXPORT_SYMBOL(generic_file_readv);
ssize_t generic_file_writev(struct file *file, const struct iovec *iov,
unsigned long nr_segs, loff_t *ppos)
{
struct address_space *mapping = file->f_mapping;
struct inode *inode = mapping->host;
ssize_t ret;
mutex_lock(&inode->i_mutex);
ret = __generic_file_write_nolock(file, iov, nr_segs, ppos);
mutex_unlock(&inode->i_mutex);
if (ret > 0 && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) {
int err;
err = sync_page_range(inode, mapping, *ppos - ret, ret);
if (err < 0)
ret = err;
}
return ret;
}
EXPORT_SYMBOL(generic_file_writev);
/*
* Called under i_mutex for writes to S_ISREG files. Returns -EIO if something
* went wrong during pagecache shootdown.