From 8fcdac3f208009a2103c11569b25ae2083016a9c Mon Sep 17 00:00:00 2001 From: David Sterba Date: Tue, 16 May 2017 19:10:23 +0200 Subject: [PATCH] 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 --- fs/btrfs/scrub.c | 36 +++++++++--------------------------- 1 file changed, 9 insertions(+), 27 deletions(-) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index ba9134b5b130..2ab36973ad7e 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -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); -- 2.11.0