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Btrfs: extended inode refs support for send mechanism

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This adds support for the new extended inode refs to btrfs send.

Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
This commit is contained in:
Jan Schmidt
2012-10-15 08:30:45 +00:00
committed by Chris Mason
parent 84167d1905
commit 96b5bd7771
3 changed files with 94 additions and 58 deletions
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22
fs/btrfs/backref.c
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@@ -1177,11 +1177,10 @@ int btrfs_find_one_extref(struct btrfs_root *root, u64 inode_objectid,
return ret;
}
static char *ref_to_path(struct btrfs_root *fs_root,
struct btrfs_path *path,
u32 name_len, unsigned long name_off,
struct extent_buffer *eb_in, u64 parent,
char *dest, u32 size)
char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path,
u32 name_len, unsigned long name_off,
struct extent_buffer *eb_in, u64 parent,
char *dest, u32 size)
{
int slot;
u64 next_inum;
@@ -1266,10 +1265,10 @@ char *btrfs_iref_to_path(struct btrfs_root *fs_root,
struct extent_buffer *eb_in, u64 parent,
char *dest, u32 size)
{
return ref_to_path(fs_root, path,
btrfs_inode_ref_name_len(eb_in, iref),
(unsigned long)(iref + 1),
eb_in, parent, dest, size);
return btrfs_ref_to_path(fs_root, path,
btrfs_inode_ref_name_len(eb_in, iref),
(unsigned long)(iref + 1),
eb_in, parent, dest, size);
}
/*
@@ -1715,9 +1714,8 @@ static int inode_to_path(u64 inum, u32 name_len, unsigned long name_off,
ipath->fspath->bytes_left - s_ptr : 0;
fspath_min = (char *)ipath->fspath->val + (i + 1) * s_ptr;
fspath = ref_to_path(ipath->fs_root, ipath->btrfs_path, name_len,
name_off, eb, inum, fspath_min,
bytes_left);
fspath = btrfs_ref_to_path(ipath->fs_root, ipath->btrfs_path, name_len,
name_off, eb, inum, fspath_min, bytes_left);
if (IS_ERR(fspath))
return PTR_ERR(fspath);