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authorFilipe Manana <fdmanana@gmail.com>2014-03-31 14:52:14 +0100
committerChris Mason <clm@fb.com>2014-04-07 09:08:46 -0700
commitc715e155c94ba0b3657820d676ec3c7213a5ce81 (patch)
tree2d90c2a1db76bbaeb6074e4ac9f9c2818fd5e136 /fs/btrfs
parent9a40f1222a372de77344d85d31f8fe0e1c0e60e7 (diff)
Btrfs: send, build path string only once in send_hole
There's no point building the path string in each iteration of the send_hole loop, as it produces always the same string. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs')
-rw-r--r--fs/btrfs/send.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index e8e9f354f341..1ac3ca98c429 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -4436,6 +4436,9 @@ static int send_hole(struct send_ctx *sctx, u64 end)
p = fs_path_alloc();
if (!p)
return -ENOMEM;
+ ret = get_cur_path(sctx, sctx->cur_ino, sctx->cur_inode_gen, p);
+ if (ret < 0)
+ goto tlv_put_failure;
memset(sctx->read_buf, 0, BTRFS_SEND_READ_SIZE);
while (offset < end) {
len = min_t(u64, end - offset, BTRFS_SEND_READ_SIZE);
@@ -4443,9 +4446,6 @@ static int send_hole(struct send_ctx *sctx, u64 end)
ret = begin_cmd(sctx, BTRFS_SEND_C_WRITE);
if (ret < 0)
break;
- ret = get_cur_path(sctx, sctx->cur_ino, sctx->cur_inode_gen, p);
- if (ret < 0)
- break;
TLV_PUT_PATH(sctx, BTRFS_SEND_A_PATH, p);
TLV_PUT_U64(sctx, BTRFS_SEND_A_FILE_OFFSET, offset);
TLV_PUT(sctx, BTRFS_SEND_A_DATA, sctx->read_buf, len);