[PATCH 6.18 504/675] afs: Fix afs_edit_dir_remove() to get, not find, block 0

Greg Kroah-Hartman <[email protected]>
Newsgroups org.kernel.vger.linux-fsdevel,dev.linux.lists.patches,org.kernel.vger.stable
Message-ID <[email protected]>
6.18-stable review patch.  If anyone has any objections, please let me know.

------------------

From: David Howells <[email protected]>

commit 62d9853aa4ce6e9797b6949804891be14b219752 upstream.

Fix afs_edit_dir_remove() to use afs_dir_get_block() to get block 0 rather
than afs_dir_find_block() as the latter caches the found block in the
afs_dir_iter and may[*] switch out the page it's on if another
afs_dir_find_block() is done.  This parallels what afs_edit_dir_add() does.

[*] There's more than one block per page.

Fixes: a5b5beebcf96 ("afs: Use the contained hashtable to search a directory")
Closes: https://sashiko.dev/#/patchset/20260706153408.1231650-1-dhowells%40redhat.com
Signed-off-by: David Howells <[email protected]>
Link: https://patch.msgid.link/[email protected]
cc: Marc Dionne <[email protected]>
cc: [email protected]
cc: [email protected]
cc: [email protected]
Signed-off-by: Christian Brauner (Amutable) <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 fs/afs/dir_edit.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/afs/dir_edit.c
+++ b/fs/afs/dir_edit.c
@@ -415,7 +415,7 @@ void afs_edit_dir_remove(struct afs_vnod
 	if (!afs_dir_init_iter(&iter, name))
 		return;
 
-	meta = afs_dir_find_block(&iter, 0);
+	meta = afs_dir_get_block(&iter, 0);
 	if (!meta)
 		return;
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