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btrfs: scrub: simplify cleanup of wr_ctx in scrub_free_ctx
We don't need to take the mutex and zero out wr_cur_bio, as this is called after the scrub finished. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
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1 changed files with 1 additions and 5 deletions
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@ -639,11 +639,6 @@ static noinline_for_stack void scrub_free_ctx(struct scrub_ctx *sctx)
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if (!sctx)
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return;
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mutex_lock(&sctx->wr_ctx.wr_lock);
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kfree(sctx->wr_ctx.wr_curr_bio);
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sctx->wr_ctx.wr_curr_bio = NULL;
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mutex_unlock(&sctx->wr_ctx.wr_lock);
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/* this can happen when scrub is cancelled */
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if (sctx->curr != -1) {
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struct scrub_bio *sbio = sctx->bios[sctx->curr];
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@ -663,6 +658,7 @@ static noinline_for_stack void scrub_free_ctx(struct scrub_ctx *sctx)
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kfree(sbio);
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}
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kfree(sctx->wr_ctx.wr_curr_bio);
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scrub_free_csums(sctx);
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kfree(sctx);
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}
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