[PATCH] Vectorize aio_read/aio_write fileop methods
This patch vectorizes aio_read() and aio_write() methods to prepare for collapsing all aio & vectored operations into one interface - which is aio_read()/aio_write(). Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Michael Holzheu <HOLZHEU@de.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds
parent
9ea0f9499d
commit
027445c372
@ -2176,20 +2176,18 @@ out:
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/**
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* ntfs_file_aio_write -
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*/
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static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const char __user *buf,
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size_t count, loff_t pos)
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static ssize_t ntfs_file_aio_write(struct kiocb *iocb, const struct iovec *iov,
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unsigned long nr_segs, loff_t pos)
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{
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struct file *file = iocb->ki_filp;
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struct address_space *mapping = file->f_mapping;
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struct inode *inode = mapping->host;
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ssize_t ret;
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struct iovec local_iov = { .iov_base = (void __user *)buf,
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.iov_len = count };
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BUG_ON(iocb->ki_pos != pos);
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mutex_lock(&inode->i_mutex);
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ret = ntfs_file_aio_write_nolock(iocb, &local_iov, 1, &iocb->ki_pos);
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ret = ntfs_file_aio_write_nolock(iocb, iov, nr_segs, &iocb->ki_pos);
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mutex_unlock(&inode->i_mutex);
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if (ret > 0 && ((file->f_flags & O_SYNC) || IS_SYNC(inode))) {
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int err = sync_page_range(inode, mapping, pos, ret);
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