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authorThomas Bertschinger <tahbertschinger@gmail.com>2024-05-09 12:37:24 -0600
committerKent Overstreet <kent.overstreet@linux.dev>2024-05-09 16:24:30 -0400
commit07f9a27f1969764d11374942961d51fee0ab628f (patch)
treee40032170f5c2ee3701119cda325dc1f1330b857
parentbceacfa97ec8b67a76efad2f95899434230b317c (diff)
bcachefs: add no_invalid_checks flagHEADmasterfor-next
Setting this flag on a filesystem results in validity checks being skipped when writing bkeys. This flag will be used by tooling that deliberately injects corruption into a filesystem in order to exercise fsck. It shouldn't be set outside of testing/debugging code. Signed-off-by: Thomas Bertschinger <tahbertschinger@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
-rw-r--r--fs/bcachefs/bcachefs.h3
-rw-r--r--fs/bcachefs/bkey_methods.c6
2 files changed, 8 insertions, 1 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h
index ab2dc2c70da2..bc0ea2c4efef 100644
--- a/fs/bcachefs/bcachefs.h
+++ b/fs/bcachefs/bcachefs.h
@@ -637,7 +637,8 @@ struct bch_dev {
x(error) \
x(topology_error) \
x(errors_fixed) \
- x(errors_not_fixed)
+ x(errors_not_fixed) \
+ x(no_invalid_checks)
enum bch_fs_flags {
#define x(n) BCH_FS_##n,
diff --git a/fs/bcachefs/bkey_methods.c b/fs/bcachefs/bkey_methods.c
index f692f9d8f00d..c2c3dae52186 100644
--- a/fs/bcachefs/bkey_methods.c
+++ b/fs/bcachefs/bkey_methods.c
@@ -126,6 +126,9 @@ int bch2_bkey_val_invalid(struct bch_fs *c, struct bkey_s_c k,
enum bch_validate_flags flags,
struct printbuf *err)
{
+ if (test_bit(BCH_FS_no_invalid_checks, &c->flags))
+ return 0;
+
const struct bkey_ops *ops = bch2_bkey_type_ops(k.k->type);
int ret = 0;
@@ -162,6 +165,9 @@ int __bch2_bkey_invalid(struct bch_fs *c, struct bkey_s_c k,
enum bch_validate_flags flags,
struct printbuf *err)
{
+ if (test_bit(BCH_FS_no_invalid_checks, &c->flags))
+ return 0;
+
int ret = 0;
bkey_fsck_err_on(k.k->u64s < BKEY_U64s, c, err,