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Btrfs: Send: preserve ownership (uid and gid) also for symlinks. 

This patch also requires a change in the user-space part of "receive".
We need to use "lchown" instead of "chown". We will do this in the
following patch.

Signed-off-by: Alex Lyakas <alex.btrfs@zadarastorage.com>

 	if (S_ISREG(sctx->cur_inode_mode)) {
This commit is contained in:
Alex Lyakas 2012-10-17 13:52:47 +00:00 committed by Chris Mason
parent 671415b7db
commit e2d044fe77
1 changed files with 13 additions and 14 deletions
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27
fs/btrfs/send.c
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@ -4067,22 +4067,21 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end)
if (ret < 0)
goto out;
if (!S_ISLNK(sctx->cur_inode_mode)) {
if (!sctx->parent_root || sctx->cur_inode_new) {
if (!sctx->parent_root || sctx->cur_inode_new) {
need_chown = 1;
if (!S_ISLNK(sctx->cur_inode_mode))
need_chmod = 1;
need_chown = 1;
} else {
ret = get_inode_info(sctx->parent_root, sctx->cur_ino,
NULL, NULL, &right_mode, &right_uid,
&right_gid, NULL);
if (ret < 0)
goto out;
} else {
ret = get_inode_info(sctx->parent_root, sctx->cur_ino,
NULL, NULL, &right_mode, &right_uid,
&right_gid, NULL);
if (ret < 0)
goto out;
if (left_uid != right_uid || left_gid != right_gid)
need_chown = 1;
if (left_mode != right_mode)
need_chmod = 1;
}
if (left_uid != right_uid || left_gid != right_gid)
need_chown = 1;
if (!S_ISLNK(sctx->cur_inode_mode) && left_mode != right_mode)
need_chmod = 1;
}
if (S_ISREG(sctx->cur_inode_mode)) {