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authorDavid Howells <dhowells@redhat.com>2021-05-27 13:24:33 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2021-05-27 19:23:58 +0300
commitf610a5a29c3cfb7d37bdfa4ef52f72ea51f24a76 (patch)
treec2d7bed7d98283d5ae663d183f907f7ddae7132f /fs/afs
parentd7c5303fbc8ac874ae3e597a5a0d3707dc0230b4 (diff)
downloadlinux-f610a5a29c3cfb7d37bdfa4ef52f72ea51f24a76.tar.xz
afs: Fix the nlink handling of dir-over-dir rename
Fix rename of one directory over another such that the nlink on the deleted directory is cleared to 0 rather than being decremented to 1. This was causing the generic/035 xfstest to fail. Fixes: e49c7b2f6de7 ("afs: Build an abstraction around an "operation" concept") Signed-off-by: David Howells <dhowells@redhat.com> Reviewed-by: Marc Dionne <marc.dionne@auristor.com> cc: linux-afs@lists.infradead.org Link: https://lore.kernel.org/r/162194384460.3999479.7605572278074191079.stgit@warthog.procyon.org.uk/ # v1 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/dir.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 9fbe5a5ec9bd..78719f2f567e 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -1919,7 +1919,9 @@ static void afs_rename_edit_dir(struct afs_operation *op)
new_inode = d_inode(new_dentry);
if (new_inode) {
spin_lock(&new_inode->i_lock);
- if (new_inode->i_nlink > 0)
+ if (S_ISDIR(new_inode->i_mode))
+ clear_nlink(new_inode);
+ else if (new_inode->i_nlink > 0)
drop_nlink(new_inode);
spin_unlock(&new_inode->i_lock);
}