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f2fs: split wio_mutex 

Split wio_mutex to adjust different temperature bio cache.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2017-05-19 23:37:00 +08:00 committed by Jaegeuk Kim
parent 963932a93c
commit e41e6d75e5
3 changed files with 8 additions and 6 deletions
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3
fs/f2fs/f2fs.h
View File

@ -894,7 +894,8 @@ struct f2fs_sb_info {
/* for bio operations */
struct f2fs_bio_info *write_io[NR_PAGE_TYPE]; /* for write bios */
struct mutex wio_mutex[NODE + 1]; /* bio ordering for NODE/DATA */
struct mutex wio_mutex[NR_PAGE_TYPE - 1][NR_TEMP_TYPE];
/* bio ordering for NODE/DATA */
int write_io_size_bits; /* Write IO size bits */
mempool_t *write_io_dummy; /* Dummy pages */

4
fs/f2fs/segment.c
View File

@ -2154,7 +2154,7 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
int err;
if (fio->type == NODE || fio->type == DATA)
mutex_lock(&fio->sbi->wio_mutex[fio->type]);
mutex_lock(&fio->sbi->wio_mutex[fio->type][fio->temp]);
reallocate:
allocate_data_block(fio->sbi, fio->page, fio->old_blkaddr,
&fio->new_blkaddr, sum, type);
@ -2167,7 +2167,7 @@ reallocate:
}
if (fio->type == NODE || fio->type == DATA)
mutex_unlock(&fio->sbi->wio_mutex[fio->type]);
mutex_unlock(&fio->sbi->wio_mutex[fio->type][fio->temp]);
}
void write_meta_page(struct f2fs_sb_info *sbi, struct page *page)

7
fs/f2fs/super.c
View File

@ -1571,7 +1571,7 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
static void init_sb_info(struct f2fs_sb_info *sbi)
{
struct f2fs_super_block *raw_super = sbi->raw_super;
int i;
int i, j;
sbi->log_sectors_per_block =
le32_to_cpu(raw_super->log_sectors_per_block);
@ -1603,8 +1603,9 @@ static void init_sb_info(struct f2fs_sb_info *sbi)
INIT_LIST_HEAD(&sbi->s_list);
mutex_init(&sbi->umount_mutex);
mutex_init(&sbi->wio_mutex[NODE]);
mutex_init(&sbi->wio_mutex[DATA]);
for (i = 0; i < NR_PAGE_TYPE - 1; i++)
for (j = HOT; j < NR_TEMP_TYPE; j++)
mutex_init(&sbi->wio_mutex[i][j]);
spin_lock_init(&sbi->cp_lock);
}