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authorBadari Pulavarty <pbadari@us.ibm.com>2006-09-30 23:28:46 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-01 00:39:28 -0700
commit027445c37282bc1ed26add45e573ad2d3e4860a5 (patch)
tree93eab101a938ffebaea64703033c8649df4d73f0 /fs/aio.c
parent9ea0f9499d15c49df23e7aac4332d830c40e12d0 (diff)
downloadop-kernel-dev-027445c37282bc1ed26add45e573ad2d3e4860a5.zip
op-kernel-dev-027445c37282bc1ed26add45e573ad2d3e4860a5.tar.gz
[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>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 9506301..27ff565 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -15,6 +15,7 @@
#include <linux/aio_abi.h>
#include <linux/module.h>
#include <linux/syscalls.h>
+#include <linux/uio.h>
#define DEBUG 0
@@ -1315,8 +1316,11 @@ static ssize_t aio_pread(struct kiocb *iocb)
ssize_t ret = 0;
do {
- ret = file->f_op->aio_read(iocb, iocb->ki_buf,
- iocb->ki_left, iocb->ki_pos);
+ iocb->ki_inline_vec.iov_base = iocb->ki_buf;
+ iocb->ki_inline_vec.iov_len = iocb->ki_left;
+
+ ret = file->f_op->aio_read(iocb, &iocb->ki_inline_vec,
+ 1, iocb->ki_pos);
/*
* Can't just depend on iocb->ki_left to determine
* whether we are done. This may have been a short read.
@@ -1349,8 +1353,11 @@ static ssize_t aio_pwrite(struct kiocb *iocb)
ssize_t ret = 0;
do {
- ret = file->f_op->aio_write(iocb, iocb->ki_buf,
- iocb->ki_left, iocb->ki_pos);
+ iocb->ki_inline_vec.iov_base = iocb->ki_buf;
+ iocb->ki_inline_vec.iov_len = iocb->ki_left;
+
+ ret = file->f_op->aio_write(iocb, &iocb->ki_inline_vec,
+ 1, iocb->ki_pos);
if (ret > 0) {
iocb->ki_buf += ret;
iocb->ki_left -= ret;
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