From 34996e42f82bfd60bc2c191e5cae3c6ab233ec6c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Aug 2024 15:11:27 +0200 Subject: Merging upstream version 6.9.7. Signed-off-by: Daniel Baumann --- fs/bcachefs/extents.h | 42 ++++++++++++------------------------------ 1 file changed, 12 insertions(+), 30 deletions(-) (limited to 'fs/bcachefs/extents.h') diff --git a/fs/bcachefs/extents.h b/fs/bcachefs/extents.h index 6bf839d69e..528e817eac 100644 --- a/fs/bcachefs/extents.h +++ b/fs/bcachefs/extents.h @@ -43,6 +43,11 @@ enum bkey_invalid_flags; #define extent_entry_next(_entry) \ ((typeof(_entry)) ((void *) (_entry) + extent_entry_bytes(_entry))) +#define extent_entry_next_safe(_entry, _end) \ + (likely(__extent_entry_type(_entry) < BCH_EXTENT_ENTRY_MAX) \ + ? extent_entry_next(_entry) \ + : _end) + static inline unsigned __extent_entry_type(const union bch_extent_entry *e) { @@ -103,17 +108,17 @@ static inline void extent_entry_drop(struct bkey_s k, union bch_extent_entry *en static inline bool extent_entry_is_ptr(const union bch_extent_entry *e) { - return extent_entry_type(e) == BCH_EXTENT_ENTRY_ptr; + return __extent_entry_type(e) == BCH_EXTENT_ENTRY_ptr; } static inline bool extent_entry_is_stripe_ptr(const union bch_extent_entry *e) { - return extent_entry_type(e) == BCH_EXTENT_ENTRY_stripe_ptr; + return __extent_entry_type(e) == BCH_EXTENT_ENTRY_stripe_ptr; } static inline bool extent_entry_is_crc(const union bch_extent_entry *e) { - switch (extent_entry_type(e)) { + switch (__extent_entry_type(e)) { case BCH_EXTENT_ENTRY_crc32: case BCH_EXTENT_ENTRY_crc64: case BCH_EXTENT_ENTRY_crc128: @@ -280,7 +285,7 @@ static inline struct bkey_ptrs bch2_bkey_ptrs(struct bkey_s k) #define __bkey_extent_entry_for_each_from(_start, _end, _entry) \ for ((_entry) = (_start); \ (_entry) < (_end); \ - (_entry) = extent_entry_next(_entry)) + (_entry) = extent_entry_next_safe(_entry, _end)) #define __bkey_ptr_next(_ptr, _end) \ ({ \ @@ -318,7 +323,7 @@ static inline struct bkey_ptrs bch2_bkey_ptrs(struct bkey_s k) (_ptr).has_ec = false; \ \ __bkey_extent_entry_for_each_from(_entry, _end, _entry) \ - switch (extent_entry_type(_entry)) { \ + switch (__extent_entry_type(_entry)) { \ case BCH_EXTENT_ENTRY_ptr: \ (_ptr).ptr = _entry->ptr; \ goto out; \ @@ -344,7 +349,7 @@ out: \ for ((_ptr).crc = bch2_extent_crc_unpack(_k, NULL), \ (_entry) = _start; \ __bkey_ptr_next_decode(_k, _end, _ptr, _entry); \ - (_entry) = extent_entry_next(_entry)) + (_entry) = extent_entry_next_safe(_entry, _end)) #define bkey_for_each_ptr_decode(_k, _p, _ptr, _entry) \ __bkey_for_each_ptr_decode(_k, (_p).start, (_p).end, \ @@ -591,30 +596,6 @@ static inline struct bch_devs_list bch2_bkey_cached_devs(struct bkey_s_c k) return ret; } -static inline unsigned bch2_bkey_ptr_data_type(struct bkey_s_c k, const struct bch_extent_ptr *ptr) -{ - switch (k.k->type) { - case KEY_TYPE_btree_ptr: - case KEY_TYPE_btree_ptr_v2: - return BCH_DATA_btree; - case KEY_TYPE_extent: - case KEY_TYPE_reflink_v: - return BCH_DATA_user; - case KEY_TYPE_stripe: { - struct bkey_s_c_stripe s = bkey_s_c_to_stripe(k); - - BUG_ON(ptr < s.v->ptrs || - ptr >= s.v->ptrs + s.v->nr_blocks); - - return ptr >= s.v->ptrs + s.v->nr_blocks - s.v->nr_redundant - ? BCH_DATA_parity - : BCH_DATA_user; - } - default: - BUG(); - } -} - unsigned bch2_bkey_nr_ptrs(struct bkey_s_c); unsigned bch2_bkey_nr_ptrs_allocated(struct bkey_s_c); unsigned bch2_bkey_nr_ptrs_fully_allocated(struct bkey_s_c); @@ -695,6 +676,7 @@ bch2_extent_has_ptr(struct bkey_s_c, struct extent_ptr_decoded, struct bkey_s); void bch2_extent_ptr_set_cached(struct bkey_s, struct bch_extent_ptr *); bool bch2_extent_normalize(struct bch_fs *, struct bkey_s); +void bch2_extent_ptr_to_text(struct printbuf *out, struct bch_fs *, const struct bch_extent_ptr *); void bch2_bkey_ptrs_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); int bch2_bkey_ptrs_invalid(struct bch_fs *, struct bkey_s_c, -- cgit v1.2.3