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Btrfs: compat code fixes

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The btrfs git kernel trees is used to build a standalone tree for
compiling against older kernels.  This commit makes the standalone tree
work with 2.6.27

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-11-20 10:22:27 -05:00
parent 79683f2d68
commit 4b4e25f2a6
8 changed files with 14 additions and 4 deletions
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5
fs/btrfs/extent-tree.c
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@@ -19,6 +19,8 @@
#include <linux/pagemap.h>
#include <linux/writeback.h>
#include <linux/blkdev.h>
#include <linux/version.h>
#include "compat.h"
#include "hash.h"
#include "crc32c.h"
#include "ctree.h"
@@ -900,6 +902,7 @@ static int noinline remove_extent_backref(struct btrfs_trans_handle *trans,
return ret;
}
#ifdef BIO_RW_DISCARD
static void btrfs_issue_discard(struct block_device *bdev,
u64 start, u64 len)
{
@@ -909,7 +912,7 @@ static void btrfs_issue_discard(struct block_device *bdev,
blkdev_issue_discard(bdev, start >> 9, len >> 9);
#endif
}
#endif
static int noinline free_extents(struct btrfs_trans_handle *trans,
struct btrfs_root *extent_root,