diff options
author | Radim Krčmář <rkrcmar@redhat.com> | 2018-02-01 15:04:17 +0100 |
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committer | Radim Krčmář <rkrcmar@redhat.com> | 2018-02-01 15:04:17 +0100 |
commit | 7bf14c28ee776be567855bd39ed8ff795ea19f55 (patch) | |
tree | 6113748c673e85fccc2c56c050697789c00c6bc2 /drivers/lightnvm/pblk-write.c | |
parent | 87cedc6be55954c6efd6eca2e694132513f65a2a (diff) | |
parent | 5fa4ec9cb2e6679e2f828033726f758ea314b9c5 (diff) |
Merge branch 'x86/hyperv' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Topic branch for stable KVM clockource under Hyper-V.
Thanks to Christoffer Dall for resolving the ARM conflict.
Diffstat (limited to 'drivers/lightnvm/pblk-write.c')
-rw-r--r-- | drivers/lightnvm/pblk-write.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/lightnvm/pblk-write.c b/drivers/lightnvm/pblk-write.c index 6c1cafafef53..aae86ed60b98 100644 --- a/drivers/lightnvm/pblk-write.c +++ b/drivers/lightnvm/pblk-write.c @@ -21,13 +21,28 @@ static unsigned long pblk_end_w_bio(struct pblk *pblk, struct nvm_rq *rqd, struct pblk_c_ctx *c_ctx) { struct bio *original_bio; + struct pblk_rb *rwb = &pblk->rwb; unsigned long ret; int i; for (i = 0; i < c_ctx->nr_valid; i++) { struct pblk_w_ctx *w_ctx; + int pos = c_ctx->sentry + i; + int flags; + + w_ctx = pblk_rb_w_ctx(rwb, pos); + flags = READ_ONCE(w_ctx->flags); + + if (flags & PBLK_FLUSH_ENTRY) { + flags &= ~PBLK_FLUSH_ENTRY; + /* Release flags on context. Protect from writes */ + smp_store_release(&w_ctx->flags, flags); + +#ifdef CONFIG_NVM_DEBUG + atomic_dec(&rwb->inflight_flush_point); +#endif + } - w_ctx = pblk_rb_w_ctx(&pblk->rwb, c_ctx->sentry + i); while ((original_bio = bio_list_pop(&w_ctx->bios))) bio_endio(original_bio); } @@ -439,7 +454,7 @@ static int pblk_submit_io_set(struct pblk *pblk, struct nvm_rq *rqd) struct pblk_line *meta_line; int err; - ppa_set_empty(&erase_ppa); + pblk_ppa_set_empty(&erase_ppa); /* Assign lbas to ppas and populate request structure */ err = pblk_setup_w_rq(pblk, rqd, &erase_ppa); @@ -457,7 +472,7 @@ static int pblk_submit_io_set(struct pblk *pblk, struct nvm_rq *rqd) return NVM_IO_ERR; } - if (!ppa_empty(erase_ppa)) { + if (!pblk_ppa_empty(erase_ppa)) { /* Submit erase for next data line */ if (pblk_blk_erase_async(pblk, erase_ppa)) { struct pblk_line *e_line = pblk_line_get_erase(pblk); @@ -508,7 +523,7 @@ static int pblk_submit_write(struct pblk *pblk) if (!secs_avail) return 1; - secs_to_flush = pblk_rb_sync_point_count(&pblk->rwb); + secs_to_flush = pblk_rb_flush_point_count(&pblk->rwb); if (!secs_to_flush && secs_avail < pblk->min_write_pgs) return 1; |