diff options
author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-11-27 04:18:16 +0300 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-01 19:47:38 +0300 |
commit | c259bd95d1df6a95d6a78b7f6ebc69c8d172126f (patch) | |
tree | abf7e98b5bafebe525581d93fc687a642ba8b4fd /fs/bcachefs | |
parent | 3c471b65889aa22d6ba4f8e3d2e5006bb70fdb58 (diff) | |
download | linux-c259bd95d1df6a95d6a78b7f6ebc69c8d172126f.tar.xz |
bcachefs: No need to allocate keys for write buffer
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs')
-rw-r--r-- | fs/bcachefs/backpointers.c | 17 | ||||
-rw-r--r-- | fs/bcachefs/backpointers.h | 27 | ||||
-rw-r--r-- | fs/bcachefs/btree_update.c | 30 | ||||
-rw-r--r-- | fs/bcachefs/btree_update.h | 7 |
4 files changed, 37 insertions, 44 deletions
diff --git a/fs/bcachefs/backpointers.c b/fs/bcachefs/backpointers.c index 69bd6c281d1a..2b6ab5ce95f2 100644 --- a/fs/bcachefs/backpointers.c +++ b/fs/bcachefs/backpointers.c @@ -136,15 +136,30 @@ static noinline int backpointer_mod_err(struct btree_trans *trans, } int bch2_bucket_backpointer_mod_nowritebuffer(struct btree_trans *trans, - struct bkey_i_backpointer *bp_k, + struct bpos bucket, struct bch_backpointer bp, struct bkey_s_c orig_k, bool insert) { struct btree_iter bp_iter; struct bkey_s_c k; + struct bkey_i_backpointer *bp_k; int ret; + bp_k = bch2_trans_kmalloc_nomemzero(trans, sizeof(struct bkey_i_backpointer)); + ret = PTR_ERR_OR_ZERO(bp_k); + if (ret) + return ret; + + bkey_backpointer_init(&bp_k->k_i); + bp_k->k.p = bucket_pos_to_bp(trans->c, bucket, bp.bucket_offset); + bp_k->v = bp; + + if (!insert) { + bp_k->k.type = KEY_TYPE_deleted; + set_bkey_val_u64s(&bp_k->k, 0); + } + k = bch2_bkey_get_iter(trans, &bp_iter, BTREE_ID_backpointers, bp_k->k.p, BTREE_ITER_INTENT| diff --git a/fs/bcachefs/backpointers.h b/fs/bcachefs/backpointers.h index ab866feeaf66..737e2396ade7 100644 --- a/fs/bcachefs/backpointers.h +++ b/fs/bcachefs/backpointers.h @@ -63,7 +63,7 @@ static inline struct bpos bucket_pos_to_bp(const struct bch_fs *c, return ret; } -int bch2_bucket_backpointer_mod_nowritebuffer(struct btree_trans *, struct bkey_i_backpointer *, +int bch2_bucket_backpointer_mod_nowritebuffer(struct btree_trans *, struct bpos bucket, struct bch_backpointer, struct bkey_s_c, bool); static inline int bch2_bucket_backpointer_mod(struct btree_trans *trans, @@ -72,28 +72,21 @@ static inline int bch2_bucket_backpointer_mod(struct btree_trans *trans, struct bkey_s_c orig_k, bool insert) { - struct bch_fs *c = trans->c; - struct bkey_i_backpointer *bp_k; - int ret; + if (unlikely(bch2_backpointers_no_use_write_buffer)) + return bch2_bucket_backpointer_mod_nowritebuffer(trans, bucket, bp, orig_k, insert); - bp_k = bch2_trans_kmalloc_nomemzero(trans, sizeof(struct bkey_i_backpointer)); - ret = PTR_ERR_OR_ZERO(bp_k); - if (ret) - return ret; + struct bkey_i_backpointer bp_k; - bkey_backpointer_init(&bp_k->k_i); - bp_k->k.p = bucket_pos_to_bp(c, bucket, bp.bucket_offset); - bp_k->v = bp; + bkey_backpointer_init(&bp_k.k_i); + bp_k.k.p = bucket_pos_to_bp(trans->c, bucket, bp.bucket_offset); + bp_k.v = bp; if (!insert) { - bp_k->k.type = KEY_TYPE_deleted; - set_bkey_val_u64s(&bp_k->k, 0); + bp_k.k.type = KEY_TYPE_deleted; + set_bkey_val_u64s(&bp_k.k, 0); } - if (unlikely(bch2_backpointers_no_use_write_buffer)) - return bch2_bucket_backpointer_mod_nowritebuffer(trans, bp_k, bp, orig_k, insert); - - return bch2_trans_update_buffered(trans, BTREE_ID_backpointers, &bp_k->k_i); + return bch2_trans_update_buffered(trans, BTREE_ID_backpointers, &bp_k.k_i); } static inline enum bch_data_type bkey_ptr_data_type(enum btree_id btree_id, unsigned level, diff --git a/fs/bcachefs/btree_update.c b/fs/bcachefs/btree_update.c index 0d6830ec73c4..3642e2629716 100644 --- a/fs/bcachefs/btree_update.c +++ b/fs/bcachefs/btree_update.c @@ -710,20 +710,6 @@ int bch2_btree_delete_at(struct btree_trans *trans, return bch2_btree_delete_extent_at(trans, iter, 0, update_flags); } -int bch2_btree_delete_at_buffered(struct btree_trans *trans, - enum btree_id btree, struct bpos pos) -{ - struct bkey_i *k; - - k = bch2_trans_kmalloc(trans, sizeof(*k)); - if (IS_ERR(k)) - return PTR_ERR(k); - - bkey_init(&k->k); - k->k.p = pos; - return bch2_trans_update_buffered(trans, btree, k); -} - int bch2_btree_delete(struct btree_trans *trans, enum btree_id btree, struct bpos pos, unsigned update_flags) @@ -828,19 +814,13 @@ int bch2_btree_delete_range(struct bch_fs *c, enum btree_id id, int bch2_btree_bit_mod(struct btree_trans *trans, enum btree_id btree, struct bpos pos, bool set) { - struct bkey_i *k; - int ret = 0; + struct bkey_i k; - k = bch2_trans_kmalloc_nomemzero(trans, sizeof(*k)); - ret = PTR_ERR_OR_ZERO(k); - if (unlikely(ret)) - return ret; - - bkey_init(&k->k); - k->k.type = set ? KEY_TYPE_set : KEY_TYPE_deleted; - k->k.p = pos; + bkey_init(&k.k); + k.k.type = set ? KEY_TYPE_set : KEY_TYPE_deleted; + k.k.p = pos; - return bch2_trans_update_buffered(trans, btree, k); + return bch2_trans_update_buffered(trans, btree, &k); } __printf(2, 0) diff --git a/fs/bcachefs/btree_update.h b/fs/bcachefs/btree_update.h index 14a2315aa88e..fa19f3212b05 100644 --- a/fs/bcachefs/btree_update.h +++ b/fs/bcachefs/btree_update.h @@ -47,7 +47,6 @@ enum bch_trans_commit_flags { int bch2_btree_delete_extent_at(struct btree_trans *, struct btree_iter *, unsigned, unsigned); int bch2_btree_delete_at(struct btree_trans *, struct btree_iter *, unsigned); -int bch2_btree_delete_at_buffered(struct btree_trans *, enum btree_id, struct bpos); int bch2_btree_delete(struct btree_trans *, enum btree_id, struct bpos, unsigned); int bch2_btree_insert_nonextent(struct btree_trans *, enum btree_id, @@ -65,6 +64,12 @@ int bch2_btree_delete_range(struct bch_fs *, enum btree_id, int bch2_btree_bit_mod(struct btree_trans *, enum btree_id, struct bpos, bool); +static inline int bch2_btree_delete_at_buffered(struct btree_trans *trans, + enum btree_id btree, struct bpos pos) +{ + return bch2_btree_bit_mod(trans, btree, pos, false); +} + int __bch2_insert_snapshot_whiteouts(struct btree_trans *, enum btree_id, struct bpos, struct bpos); |