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Btrfs: Fix bi_end_io() functions on > 2.6.23 kernels

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It now returns void and it is never called for partial completions, so
the bio->bi_size check must go.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Jens Axboe 2007-10-19 09:23:05 -04:00 committed by Chris Mason
parent ae2f5411c4
commit 0a2118dfd4
1 changed files with 25 additions and 0 deletions
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25
fs/btrfs/extent_map.c
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@ -9,6 +9,7 @@
#include <linux/spinlock.h>
#include <linux/blkdev.h>
#include <linux/swap.h>
#include <linux/version.h>
#include "extent_map.h"
/* temporary define until extent_map moves out of btrfs */
@ -1274,8 +1275,12 @@ static int check_page_writeback(struct extent_map_tree *tree,
* Scheduling is not allowed, so the extent state tree is expected
* to have one and only one object corresponding to this IO.
*/
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23)
static void end_bio_extent_writepage(struct bio *bio, int err)
#else
static int end_bio_extent_writepage(struct bio *bio,
unsigned int bytes_done, int err)
#endif
{
const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
@ -1284,8 +1289,10 @@ static int end_bio_extent_writepage(struct bio *bio,
u64 end;
int whole_page;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
if (bio->bi_size)
return 1;
#endif
do {
struct page *page = bvec->bv_page;
@ -1316,7 +1323,9 @@ static int end_bio_extent_writepage(struct bio *bio,
} while (bvec >= bio->bi_io_vec);
bio_put(bio);
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
return 0;
#endif
}
/*
@ -1330,8 +1339,12 @@ static int end_bio_extent_writepage(struct bio *bio,
* Scheduling is not allowed, so the extent state tree is expected
* to have one and only one object corresponding to this IO.
*/
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23)
static void end_bio_extent_readpage(struct bio *bio, int err)
#else
static int end_bio_extent_readpage(struct bio *bio,
unsigned int bytes_done, int err)
#endif
{
int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
@ -1341,8 +1354,10 @@ static int end_bio_extent_readpage(struct bio *bio,
int whole_page;
int ret;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
if (bio->bi_size)
return 1;
#endif
do {
struct page *page = bvec->bv_page;
@ -1382,7 +1397,9 @@ static int end_bio_extent_readpage(struct bio *bio,
} while (bvec >= bio->bi_io_vec);
bio_put(bio);
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
return 0;
#endif
}
/*
@ -1390,8 +1407,12 @@ static int end_bio_extent_readpage(struct bio *bio,
* the structs in the extent tree when done, and set the uptodate bits
* as appropriate.
*/
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,23)
static void end_bio_extent_preparewrite(struct bio *bio, int err)
#else
static int end_bio_extent_preparewrite(struct bio *bio,
unsigned int bytes_done, int err)
#endif
{
const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
@ -1399,8 +1420,10 @@ static int end_bio_extent_preparewrite(struct bio *bio,
u64 start;
u64 end;
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
if (bio->bi_size)
return 1;
#endif
do {
struct page *page = bvec->bv_page;
@ -1422,7 +1445,9 @@ static int end_bio_extent_preparewrite(struct bio *bio,
} while (bvec >= bio->bi_io_vec);
bio_put(bio);
#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,23)
return 0;
#endif
}
static int submit_extent_page(int rw, struct extent_map_tree *tree,