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authorKent Overstreet <kent.overstreet@gmail.com>2021-10-19 21:20:50 +0300
committerKent Overstreet <kent.overstreet@linux.dev>2023-10-23 00:09:14 +0300
commitd355c6f4f73060c8f3eba95b9ae72929669f7516 (patch)
tree0ab609144ad249bad0aa6087989f21070845db6c /fs/bcachefs/migrate.c
parentdfc276df911cb7bf026482a9af7c30a60726daff (diff)
downloadlinux-d355c6f4f73060c8f3eba95b9ae72929669f7516.tar.xz
bcachefs: for_each_btree_node() now returns errors directly
This changes for_each_btree_node() to work like for_each_btree_key(), and to that end bch2_btree_iter_peek_node() and next_node() also return error ptrs. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Diffstat (limited to 'fs/bcachefs/migrate.c')
-rw-r--r--fs/bcachefs/migrate.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/bcachefs/migrate.c b/fs/bcachefs/migrate.c
index 94d5d99ffd2a..111a41159eb2 100644
--- a/fs/bcachefs/migrate.c
+++ b/fs/bcachefs/migrate.c
@@ -135,9 +135,10 @@ static int bch2_dev_metadata_drop(struct bch_fs *c, unsigned dev_idx, int flags)
for (id = 0; id < BTREE_ID_NR; id++) {
bch2_trans_node_iter_init(&trans, &iter, id, POS_MIN, 0, 0,
BTREE_ITER_PREFETCH);
-
+retry:
while (bch2_trans_begin(&trans),
- (b = bch2_btree_iter_peek_node(&iter))) {
+ (b = bch2_btree_iter_peek_node(&iter)) &&
+ !(ret = PTR_ERR_OR_ZERO(b))) {
if (!bch2_bkey_has_device(bkey_i_to_s_c(&b->key),
dev_idx))
goto next;
@@ -164,6 +165,9 @@ static int bch2_dev_metadata_drop(struct bch_fs *c, unsigned dev_idx, int flags)
next:
bch2_btree_iter_next_node(&iter);
}
+ if (ret == -EINTR)
+ goto retry;
+
bch2_trans_iter_exit(&trans, &iter);
if (ret)