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Code Issues Releases Wiki Activity

bcachefs: improve move_gap() 

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-02-23 22:43:24 -05:00
parent 95ffc7fb8c
commit 69426613cd
3 changed files with 9 additions and 8 deletions
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6
fs/bcachefs/btree_journal_iter.c
View File

@ -218,8 +218,7 @@ int bch2_journal_key_insert_take(struct bch_fs *c, enum btree_id id,
journal_iters_move_gap(c, keys->gap, idx);
move_gap(keys->data, keys->nr, keys->size, keys->gap, idx);
keys->gap = idx;
move_gap(keys, idx);
keys->nr++;
keys->data[keys->gap++] = n;
@ -473,8 +472,7 @@ void bch2_journal_keys_put(struct bch_fs *c)
if (!atomic_dec_and_test(&keys->ref))
return;
move_gap(keys->data, keys->nr, keys->size, keys->gap, keys->nr);
keys->gap = keys->nr;
move_gap(keys, keys->nr);
darray_for_each(*keys, i)
if (i->allocated)

3
fs/bcachefs/recovery.c
View File

@ -531,8 +531,7 @@ static int bch2_set_may_go_rw(struct bch_fs *c)
* setting journal_key->overwritten: it will be accessed by multiple
* threads
*/
move_gap(keys->data, keys->nr, keys->size, keys->gap, keys->nr);
keys->gap = keys->nr;
move_gap(keys, keys->nr);
set_bit(BCH_FS_may_go_rw, &c->flags);

8
fs/bcachefs/util.h
View File

@ -756,8 +756,12 @@ static inline void __move_gap(void *array, size_t element_size,
}
/* Move the gap in a gap buffer: */
#define move_gap(_array, _nr, _size, _old_gap, _new_gap) \
__move_gap(_array, sizeof(_array[0]), _nr, _size, _old_gap, _new_gap)
#define move_gap(_d, _new_gap) \
do { \
__move_gap((_d)->data, sizeof((_d)->data[0]), \
(_d)->nr, (_d)->size, (_d)->gap, _new_gap); \
(_d)->gap = _new_gap; \
} while (0)
#define bubble_sort(_base, _nr, _cmp) \
do { \