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Btrfs: remove unnecessary inode generation lookup in send

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No need to search in the send tree for the generation number of the inode,
we already have it in the recorded_ref structure passed to us.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Filipe Manana 2014-03-18 17:56:06 +00:00 committed by Chris Mason
parent 21543baddc
commit 425b5dafc8
1 changed files with 2 additions and 7 deletions
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9
fs/btrfs/send.c
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@ -3179,7 +3179,7 @@ static int wait_for_parent_move(struct send_ctx *sctx,
int ret;
u64 ino = parent_ref->dir;
u64 parent_ino_before, parent_ino_after;
u64 new_gen, old_gen;
u64 old_gen;
struct fs_path *path_before = NULL;
struct fs_path *path_after = NULL;
int len1, len2;
@ -3197,12 +3197,7 @@ static int wait_for_parent_move(struct send_ctx *sctx,
else if (ret < 0)
return ret;
ret = get_inode_info(sctx->send_root, ino, NULL, &new_gen,
NULL, NULL, NULL, NULL);
if (ret < 0)
return ret;
if (new_gen != old_gen)
if (parent_ref->dir_gen != old_gen)
return 0;
path_before = fs_path_alloc();