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bcachefs: Don't allow hardlinks when inherited attrs would change

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This is the right thing to do, and conforms with our own behaviour on
rename and xfs's behaviour on hardlink.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2022-10-12 16:12:27 -04:00
parent f866870f5d
commit bf9cb250ed
1 changed files with 5 additions and 0 deletions
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5
fs/bcachefs/fs-common.c
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@ -212,6 +212,11 @@ int bch2_link_trans(struct btree_trans *trans,
if (ret)
goto err;
if (bch2_reinherit_attrs(inode_u, dir_u)) {
ret = -EXDEV;
goto err;
}
dir_u->bi_mtime = dir_u->bi_ctime = now;
dir_hash = bch2_hash_info_init(c, dir_u);