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Merge branch 'raid56-experimental' into for-linus-3.9

Browse Source 
Signed-off-by: Chris Mason <chris.mason@fusionio.com>

Conflicts:
	fs/btrfs/ctree.h
	fs/btrfs/extent-tree.c
	fs/btrfs/inode.c
	fs/btrfs/volumes.c
This commit is contained in:
Chris Mason
2013-02-20 14:06:05 -05:00
parent b2c6b3e061 0e4e026366
commit e942f883bc
18 changed files with 2814 additions and 120 deletions
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18
fs/btrfs/inode.c
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@@ -40,6 +40,7 @@
#include <linux/ratelimit.h>
#include <linux/mount.h>
#include <linux/btrfs.h>
#include <linux/blkdev.h>
#include "compat.h"
#include "ctree.h"
#include "disk-io.h"
@@ -1605,7 +1606,7 @@ static void btrfs_clear_bit_hook(struct inode *inode,
* extent_io.c merge_bio_hook, this must check the chunk tree to make sure
* we don't create bios that span stripes or chunks
*/
int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
int btrfs_merge_bio_hook(int rw, struct page *page, unsigned long offset,
size_t size, struct bio *bio,
unsigned long bio_flags)
{
@@ -1620,7 +1621,7 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
length = bio->bi_size;
map_length = length;
ret = btrfs_map_block(root->fs_info, READ, logical,
ret = btrfs_map_block(root->fs_info, rw, logical,
&map_length, NULL, 0);
/* Will always return 0 with map_multi == NULL */
BUG_ON(ret < 0);
@@ -6464,19 +6465,24 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
int async_submit = 0;
map_length = orig_bio->bi_size;
ret = btrfs_map_block(root->fs_info, READ, start_sector << 9,
ret = btrfs_map_block(root->fs_info, rw, start_sector << 9,
&map_length, NULL, 0);
if (ret) {
bio_put(orig_bio);
return -EIO;
}
if (map_length >= orig_bio->bi_size) {
bio = orig_bio;
goto submit;
}
async_submit = 1;
/* async crcs make it difficult to collect full stripe writes. */
if (btrfs_get_alloc_profile(root, 1) &
(BTRFS_BLOCK_GROUP_RAID5 | BTRFS_BLOCK_GROUP_RAID6))
async_submit = 0;
else
async_submit = 1;
bio = btrfs_dio_bio_alloc(orig_bio->bi_bdev, start_sector, GFP_NOFS);
if (!bio)
return -ENOMEM;
@@ -6518,7 +6524,7 @@ static int btrfs_submit_direct_hook(int rw, struct btrfs_dio_private *dip,
bio->bi_end_io = btrfs_end_dio_bio;
map_length = orig_bio->bi_size;
ret = btrfs_map_block(root->fs_info, READ,
ret = btrfs_map_block(root->fs_info, rw,
start_sector << 9,
&map_length, NULL, 0);
if (ret) {