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| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-11-04 00:25:52 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-11-05 13:13:57 -0500 |
| commit | aa982665887590a9443f12323fdf508a22d8c86f (patch) | |
| tree | d19913ee9c6cf72a8ea15e485cd29aaab38de096 /fs | |
| parent | da4aa3b00123b8a588d23482993751e88bbaa324 (diff) | |
| download | lwn-aa982665887590a9443f12323fdf508a22d8c86f.tar.gz lwn-aa982665887590a9443f12323fdf508a22d8c86f.zip | |
bcachefs: bch2_ec_read_extent() now takes btree_trans
We're not supposed to have more than one btree_trans at a time in a
given thread - that causes recursive locking deadlocks.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/bcachefs/ec.c | 10 | ||||
| -rw-r--r-- | fs/bcachefs/ec.h | 2 | ||||
| -rw-r--r-- | fs/bcachefs/io_read.c | 2 |
3 files changed, 5 insertions, 9 deletions
diff --git a/fs/bcachefs/ec.c b/fs/bcachefs/ec.c index 62a3ccd71dc4..ee6416b1c576 100644 --- a/fs/bcachefs/ec.c +++ b/fs/bcachefs/ec.c @@ -476,14 +476,10 @@ err: return ret; } -static int get_stripe_key(struct bch_fs *c, u64 idx, struct ec_stripe_buf *stripe) -{ - return bch2_trans_run(c, get_stripe_key_trans(trans, idx, stripe)); -} - /* recovery read path: */ -int bch2_ec_read_extent(struct bch_fs *c, struct bch_read_bio *rbio) +int bch2_ec_read_extent(struct btree_trans *trans, struct bch_read_bio *rbio) { + struct bch_fs *c = trans->c; struct ec_stripe_buf *buf; struct closure cl; struct bch_stripe *v; @@ -498,7 +494,7 @@ int bch2_ec_read_extent(struct bch_fs *c, struct bch_read_bio *rbio) if (!buf) return -BCH_ERR_ENOMEM_ec_read_extent; - ret = get_stripe_key(c, rbio->pick.ec.idx, buf); + ret = lockrestart_do(trans, get_stripe_key_trans(trans, rbio->pick.ec.idx, buf)); if (ret) { bch_err_ratelimited(c, "error doing reconstruct read: error %i looking up stripe", ret); diff --git a/fs/bcachefs/ec.h b/fs/bcachefs/ec.h index 61c67aa0aa49..7d0237c9819f 100644 --- a/fs/bcachefs/ec.h +++ b/fs/bcachefs/ec.h @@ -199,7 +199,7 @@ struct ec_stripe_head { struct ec_stripe_new *s; }; -int bch2_ec_read_extent(struct bch_fs *, struct bch_read_bio *); +int bch2_ec_read_extent(struct btree_trans *, struct bch_read_bio *); void *bch2_writepoint_ec_buf(struct bch_fs *, struct write_point *); diff --git a/fs/bcachefs/io_read.c b/fs/bcachefs/io_read.c index ae36fc485f5f..a56ed553dc15 100644 --- a/fs/bcachefs/io_read.c +++ b/fs/bcachefs/io_read.c @@ -1025,7 +1025,7 @@ get_bio: trans->notrace_relock_fail = true; } else { /* Attempting reconstruct read: */ - if (bch2_ec_read_extent(c, rbio)) { + if (bch2_ec_read_extent(trans, rbio)) { bch2_rbio_error(rbio, READ_RETRY_AVOID, BLK_STS_IOERR); goto out; } |