GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-07-02 20:29:20 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

btrfs: root->fs_info cleanup, add fs_info convenience variables

Browse source 
In routines where someptr->fs_info is referenced multiple times, we
introduce a convenience variable.  This makes the code considerably
more readable.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Jeff Mahoney 2016-06-22 18:54:23 -04:00 • committed by David Sterba
parent 6202df6921
commit 0b246afa62
33 changed files with 2251 additions and 2016 deletions
Download patch file Download diff file Expand all files Collapse all files

42
fs/btrfs/raid56.c
View file

@ -1478,11 +1478,8 @@ cleanup:
static void async_rmw_stripe(struct btrfs_raid_bio *rbio)
{
btrfs_init_work(&rbio->work, btrfs_rmw_helper,
rmw_work, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers,
&rbio->work);
btrfs_init_work(&rbio->work, btrfs_rmw_helper, rmw_work, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work);
}
static void async_read_rebuild(struct btrfs_raid_bio *rbio)
@ -1490,8 +1487,7 @@ static void async_read_rebuild(struct btrfs_raid_bio *rbio)
btrfs_init_work(&rbio->work, btrfs_rmw_helper,
read_rebuild_work, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers,
&rbio->work);
btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work);
}
/*
@ -1573,8 +1569,7 @@ static int raid56_rmw_stripe(struct btrfs_raid_bio *rbio)
bio->bi_end_io = raid_rmw_end_io;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
btrfs_bio_wq_end_io(rbio->fs_info, bio,
BTRFS_WQ_ENDIO_RAID56);
btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56);
submit_bio(bio);
}
@ -1742,6 +1737,7 @@ static void btrfs_raid_unplug(struct blk_plug_cb *cb, bool from_schedule)
int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_raid_bio *rbio;
struct btrfs_plug_cb *plug = NULL;
struct blk_plug_cb *cb;
@ -1756,7 +1752,7 @@ int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
rbio->bio_list_bytes = bio->bi_iter.bi_size;
rbio->operation = BTRFS_RBIO_WRITE;
btrfs_bio_counter_inc_noblocked(root->fs_info);
btrfs_bio_counter_inc_noblocked(fs_info);
rbio->generic_bio_cnt = 1;
/*
@ -1766,16 +1762,15 @@ int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
if (rbio_is_full(rbio)) {
ret = full_stripe_write(rbio);
if (ret)
btrfs_bio_counter_dec(root->fs_info);
btrfs_bio_counter_dec(fs_info);
return ret;
}
cb = blk_check_plugged(btrfs_raid_unplug, root->fs_info,
sizeof(*plug));
cb = blk_check_plugged(btrfs_raid_unplug, fs_info, sizeof(*plug));
if (cb) {
plug = container_of(cb, struct btrfs_plug_cb, cb);
if (!plug->info) {
plug->info = root->fs_info;
plug->info = fs_info;
INIT_LIST_HEAD(&plug->rbio_list);
}
list_add_tail(&rbio->plug_list, &plug->rbio_list);
@ -1783,7 +1778,7 @@ int raid56_parity_write(struct btrfs_root *root, struct bio *bio,
} else {
ret = __raid56_parity_write(rbio);
if (ret)
btrfs_bio_counter_dec(root->fs_info);
btrfs_bio_counter_dec(fs_info);
}
return ret;
}
@ -2098,8 +2093,7 @@ static int __raid56_parity_recover(struct btrfs_raid_bio *rbio)
bio->bi_end_io = raid_recover_end_io;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
btrfs_bio_wq_end_io(rbio->fs_info, bio,
BTRFS_WQ_ENDIO_RAID56);
btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56);
submit_bio(bio);
}
@ -2123,6 +2117,7 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
struct btrfs_bio *bbio, u64 stripe_len,
int mirror_num, int generic_io)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_raid_bio *rbio;
int ret;
@ -2139,7 +2134,7 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
rbio->faila = find_logical_bio_stripe(rbio, bio);
if (rbio->faila == -1) {
btrfs_warn(root->fs_info,
btrfs_warn(fs_info,
"%s could not find the bad stripe in raid56 so that we cannot recover any more (bio has logical %llu len %llu, bbio has map_type %llu)",
__func__, (u64)bio->bi_iter.bi_sector << 9,
(u64)bio->bi_iter.bi_size, bbio->map_type);
@ -2150,7 +2145,7 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio,
}
if (generic_io) {
btrfs_bio_counter_inc_noblocked(root->fs_info);
btrfs_bio_counter_inc_noblocked(fs_info);
rbio->generic_bio_cnt = 1;
} else {
btrfs_get_bbio(bbio);
@ -2213,6 +2208,7 @@ raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio,
struct btrfs_device *scrub_dev,
unsigned long *dbitmap, int stripe_nsectors)
{
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_raid_bio *rbio;
int i;
@ -2235,7 +2231,7 @@ raid56_parity_alloc_scrub_rbio(struct btrfs_root *root, struct bio *bio,
}
/* Now we just support the sectorsize equals to page size */
ASSERT(root->fs_info->sectorsize == PAGE_SIZE);
ASSERT(fs_info->sectorsize == PAGE_SIZE);
ASSERT(rbio->stripe_npages == stripe_nsectors);
bitmap_copy(rbio->dbitmap, dbitmap, stripe_nsectors);
@ -2617,8 +2613,7 @@ static void raid56_parity_scrub_stripe(struct btrfs_raid_bio *rbio)
bio->bi_end_io = raid56_parity_scrub_end_io;
bio_set_op_attrs(bio, REQ_OP_READ, 0);
btrfs_bio_wq_end_io(rbio->fs_info, bio,
BTRFS_WQ_ENDIO_RAID56);
btrfs_bio_wq_end_io(rbio->fs_info, bio, BTRFS_WQ_ENDIO_RAID56);
submit_bio(bio);
}
@ -2646,8 +2641,7 @@ static void async_scrub_parity(struct btrfs_raid_bio *rbio)
btrfs_init_work(&rbio->work, btrfs_rmw_helper,
scrub_parity_work, NULL, NULL);
btrfs_queue_work(rbio->fs_info->rmw_workers,
&rbio->work);
btrfs_queue_work(rbio->fs_info->rmw_workers, &rbio->work);
}
void raid56_parity_submit_scrub_rbio(struct btrfs_raid_bio *rbio)