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[PATCH] Vectorize aio_read/aio_write fileop methods

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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>
This commit is contained in:
Badari Pulavarty
2006-09-30 23:28:46 -07:00
committed by Linus Torvalds
parent 9ea0f9499d
commit 027445c372
22 changed files with 241 additions and 190 deletions
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17
arch/s390/hypfs/inode.c
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@@ -134,12 +134,20 @@ static int hypfs_open(struct inode *inode, struct file *filp)
return 0;
}
static ssize_t hypfs_aio_read(struct kiocb *iocb, __user char *buf,
size_t count, loff_t offset)
static ssize_t hypfs_aio_read(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t offset)
{
char *data;
size_t len;
struct file *filp = iocb->ki_filp;
/* XXX: temporary */
char __user *buf = iov[0].iov_base;
size_t count = iov[0].iov_len;
if (nr_segs != 1) {
count = -EINVAL;
goto out;
}
data = filp->private_data;
len = strlen(data);
@@ -158,12 +166,13 @@ static ssize_t hypfs_aio_read(struct kiocb *iocb, __user char *buf,
out:
return count;
}
static ssize_t hypfs_aio_write(struct kiocb *iocb, const char __user *buf,
size_t count, loff_t pos)
static ssize_t hypfs_aio_write(struct kiocb *iocb, const struct iovec *iov,
unsigned long nr_segs, loff_t offset)
{
int rc;
struct super_block *sb;
struct hypfs_sb_info *fs_info;
size_t count = iov_length(iov, nr_segs);
sb = iocb->ki_filp->f_dentry->d_inode->i_sb;
fs_info = sb->s_fs_info;