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btrfs: scrub: inline helper scrub_setup_wr_ctx 

The helper scrub_setup_wr_ctx is used only once and fits into
scrub_setup_ctx as it continues intialization, no need to keep it
separate.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2017-05-16 19:10:23 +02:00
parent c1c4919b11
commit 8fcdac3f20
1 changed files with 9 additions and 27 deletions
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36
fs/btrfs/scrub.c
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@ -289,9 +289,6 @@ static void scrub_remap_extent(struct btrfs_fs_info *fs_info,
u64 *extent_physical,
struct btrfs_device **extent_dev,
int *extent_mirror_num);
static int scrub_setup_wr_ctx(struct scrub_wr_ctx *wr_ctx,
struct btrfs_device *dev,
int is_dev_replace);
static void scrub_free_wr_ctx(struct scrub_wr_ctx *wr_ctx);
static int scrub_add_page_to_wr_bio(struct scrub_ctx *sctx,
struct scrub_page *spage);
@ -680,7 +677,6 @@ struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace)
struct scrub_ctx *sctx;
int i;
struct btrfs_fs_info *fs_info = dev->fs_info;
int ret;
sctx = kzalloc(sizeof(*sctx), GFP_KERNEL);
if (!sctx)
@ -722,12 +718,16 @@ struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace)
spin_lock_init(&sctx->stat_lock);
init_waitqueue_head(&sctx->list_wait);
ret = scrub_setup_wr_ctx(&sctx->wr_ctx,
fs_info->dev_replace.tgtdev, is_dev_replace);
if (ret) {
scrub_free_ctx(sctx);
return ERR_PTR(ret);
WARN_ON(sctx->wr_ctx.wr_curr_bio != NULL);
mutex_init(&sctx->wr_ctx.wr_lock);
sctx->wr_ctx.wr_curr_bio = NULL;
if (is_dev_replace) {
WARN_ON(!dev->bdev);
sctx->wr_ctx.pages_per_wr_bio = SCRUB_PAGES_PER_WR_BIO;
sctx->wr_ctx.tgtdev = dev;
atomic_set(&sctx->wr_ctx.flush_all_writes, 0);
}
return sctx;
nomem:
@ -4337,24 +4337,6 @@ static void scrub_remap_extent(struct btrfs_fs_info *fs_info,
btrfs_put_bbio(bbio);
}
static int scrub_setup_wr_ctx(struct scrub_wr_ctx *wr_ctx,
struct btrfs_device *dev,
int is_dev_replace)
{
WARN_ON(wr_ctx->wr_curr_bio != NULL);
mutex_init(&wr_ctx->wr_lock);
wr_ctx->wr_curr_bio = NULL;
if (!is_dev_replace)
return 0;
WARN_ON(!dev->bdev);
wr_ctx->pages_per_wr_bio = SCRUB_PAGES_PER_WR_BIO;
wr_ctx->tgtdev = dev;
atomic_set(&wr_ctx->flush_all_writes, 0);
return 0;
}
static void scrub_free_wr_ctx(struct scrub_wr_ctx *wr_ctx)
{
mutex_lock(&wr_ctx->wr_lock);