From: Jan Kara <jack@suse.cz> To: LKML <linux-kernel@vger.kernel.org> Cc: linux-mm@kvack.org, Jan Kara <jack@suse.cz>, Sage Weil <sage@inktank.com>, ceph-devel@vger.kernel.org Subject: [PATCH 15/26] ceph: Convert ceph_get_direct_page_vector() to get_user_pages_fast() Date: Wed, 2 Oct 2013 16:27:56 +0200 [thread overview] Message-ID: <1380724087-13927-16-git-send-email-jack@suse.cz> (raw) In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> CC: Sage Weil <sage@inktank.com> CC: ceph-devel@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> --- net/ceph/pagevec.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 815a2249cfa9..1b1ac7887767 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -23,17 +23,15 @@ struct page **ceph_get_direct_page_vector(const void __user *data, if (!pages) return ERR_PTR(-ENOMEM); - down_read(¤t->mm->mmap_sem); while (got < num_pages) { - rc = get_user_pages(current, current->mm, + rc = get_user_pages_fast( (unsigned long)data + ((unsigned long)got * PAGE_SIZE), - num_pages - got, write_page, 0, pages + got, NULL); + num_pages - got, write_page, pages + got); if (rc < 0) break; BUG_ON(rc == 0); got += rc; } - up_read(¤t->mm->mmap_sem); if (rc < 0) goto fail; return pages; -- 1.8.1.4
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kara <jack@suse.cz> To: LKML <linux-kernel@vger.kernel.org> Cc: linux-mm@kvack.org, Jan Kara <jack@suse.cz>, Sage Weil <sage@inktank.com>, ceph-devel@vger.kernel.org Subject: [PATCH 15/26] ceph: Convert ceph_get_direct_page_vector() to get_user_pages_fast() Date: Wed, 2 Oct 2013 16:27:56 +0200 [thread overview] Message-ID: <1380724087-13927-16-git-send-email-jack@suse.cz> (raw) In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> CC: Sage Weil <sage@inktank.com> CC: ceph-devel@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> --- net/ceph/pagevec.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c index 815a2249cfa9..1b1ac7887767 100644 --- a/net/ceph/pagevec.c +++ b/net/ceph/pagevec.c @@ -23,17 +23,15 @@ struct page **ceph_get_direct_page_vector(const void __user *data, if (!pages) return ERR_PTR(-ENOMEM); - down_read(¤t->mm->mmap_sem); while (got < num_pages) { - rc = get_user_pages(current, current->mm, + rc = get_user_pages_fast( (unsigned long)data + ((unsigned long)got * PAGE_SIZE), - num_pages - got, write_page, 0, pages + got, NULL); + num_pages - got, write_page, pages + got); if (rc < 0) break; BUG_ON(rc == 0); got += rc; } - up_read(¤t->mm->mmap_sem); if (rc < 0) goto fail; return pages; -- 1.8.1.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2013-10-02 14:32 UTC|newest] Thread overview: 142+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-10-02 14:27 [PATCH 0/26] get_user_pages() cleanup Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 01/26] cris: Convert cryptocop to use get_user_pages_fast() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 02/26] ia64: Use get_user_pages_fast() in err_inject.c Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 03/26] dma: Use get_user_pages_fast() in dma_pin_iovec_pages() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 04/26] drm: Convert via driver to use get_user_pages_fast() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 05/26] omap3isp: Make isp_video_buffer_prepare_user() " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 19:41 ` Laurent Pinchart 2013-10-02 19:41 ` Laurent Pinchart 2013-10-02 20:18 ` Jan Kara 2013-10-02 20:18 ` Jan Kara 2013-10-02 14:27 ` [PATCH 06/26] vmw_vmci: Convert driver to " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 07/26] st: Convert sgl_map_user_pages() " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 08/26] ced1401: Convert driver " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 09/26] crystalhd: Convert crystalhd_map_dio() " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 10/26] lustre: Convert ll_get_user_pages() " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-05 6:27 ` Dilger, Andreas 2013-10-05 6:27 ` Dilger, Andreas 2013-10-02 14:27 ` [PATCH 11/26] sep: Convert sep_lock_user_pages() to get_user_pages_fast() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 12/26] pvr2fb: Convert pvr2fb_write() to use get_user_pages_fast() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` [PATCH 13/26] fsl_hypervisor: Convert ioctl_memcpy() " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-04 2:38 ` Timur Tabi 2013-10-04 2:38 ` Timur Tabi 2013-10-02 14:27 ` [PATCH 14/26] nfs: Convert direct IO " Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:27 ` Jan Kara [this message] 2013-10-02 14:27 ` [PATCH 15/26] ceph: Convert ceph_get_direct_page_vector() to get_user_pages_fast() Jan Kara 2013-10-02 14:27 ` [PATCH 16/26] mm: Provide get_user_pages_unlocked() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 16:25 ` Christoph Hellwig 2013-10-02 16:25 ` Christoph Hellwig 2013-10-02 16:28 ` KOSAKI Motohiro 2013-10-02 16:28 ` KOSAKI Motohiro 2013-10-02 19:39 ` Jan Kara 2013-10-02 19:39 ` Jan Kara 2013-10-02 14:27 ` [PATCH 17/26] kvm: Use get_user_pages_unlocked() in async_pf_execute() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 14:59 ` Gleb Natapov 2013-10-02 14:59 ` Gleb Natapov 2013-10-02 14:27 ` [PATCH 18/26] mm: Convert process_vm_rw_pages() to use get_user_pages_unlocked() Jan Kara 2013-10-02 14:27 ` Jan Kara 2013-10-02 16:32 ` KOSAKI Motohiro 2013-10-02 16:32 ` KOSAKI Motohiro 2013-10-02 19:36 ` Jan Kara 2013-10-02 19:36 ` Jan Kara 2013-10-03 22:40 ` KOSAKI Motohiro 2013-10-03 22:40 ` KOSAKI Motohiro 2013-10-07 20:55 ` Jan Kara 2013-10-07 20:55 ` Jan Kara 2013-10-08 0:10 ` KOSAKI Motohiro 2013-10-08 0:10 ` KOSAKI Motohiro 2013-10-02 14:28 ` [PATCH 19/26] ivtv: Convert driver " Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-05 12:02 ` Andy Walls 2013-10-05 12:02 ` Andy Walls 2013-10-07 17:22 ` Jan Kara 2013-10-07 17:22 ` Jan Kara 2013-10-02 14:28 ` [PATCH 20/26] ib: Convert ib_umem_get() to get_user_pages_unlocked() Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 14:28 ` [PATCH 21/26] ib: Convert ipath_get_user_pages() " Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 14:28 ` [PATCH 22/26] ib: Convert ipath_user_sdma_pin_pages() to use get_user_pages_unlocked() Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 14:28 ` [PATCH 23/26] ib: Convert qib_get_user_pages() to get_user_pages_unlocked() Jan Kara 2013-10-02 14:28 ` Jan Kara [not found] ` <1380724087-13927-24-git-send-email-jack-AlSwsSmVLrQ@public.gmane.org> 2013-10-02 14:54 ` Marciniszyn, Mike 2013-10-02 14:54 ` Marciniszyn, Mike 2013-10-02 14:54 ` Marciniszyn, Mike [not found] ` <32E1700B9017364D9B60AED9960492BC211AEF75-AtyAts71sc9zLByeVOV5+bfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2013-10-02 15:28 ` Jan Kara 2013-10-02 15:28 ` Jan Kara 2013-10-02 15:28 ` Jan Kara [not found] ` <20131002152811.GC32181-+0h/O2h83AeN3ZZ/Hiejyg@public.gmane.org> 2013-10-02 15:32 ` Marciniszyn, Mike 2013-10-02 15:32 ` Marciniszyn, Mike 2013-10-02 15:32 ` Marciniszyn, Mike [not found] ` <32E1700B9017364D9B60AED9960492BC211AF005-AtyAts71sc9zLByeVOV5+bfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2013-10-02 15:38 ` Jan Kara 2013-10-02 15:38 ` Jan Kara 2013-10-02 15:38 ` Jan Kara [not found] ` <20131002153842.GD32181-+0h/O2h83AeN3ZZ/Hiejyg@public.gmane.org> 2013-10-04 13:39 ` Marciniszyn, Mike 2013-10-04 13:39 ` Marciniszyn, Mike 2013-10-04 13:39 ` Marciniszyn, Mike [not found] ` <32E1700B9017364D9B60AED9960492BC211B0123-AtyAts71sc9zLByeVOV5+bfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2013-10-04 13:46 ` Marciniszyn, Mike 2013-10-04 13:46 ` Marciniszyn, Mike 2013-10-04 13:46 ` Marciniszyn, Mike 2013-10-04 13:44 ` Marciniszyn, Mike 2013-10-04 13:44 ` Marciniszyn, Mike 2013-10-04 13:52 ` Marciniszyn, Mike 2013-10-04 13:52 ` Marciniszyn, Mike 2013-10-04 13:52 ` Marciniszyn, Mike [not found] ` <32E1700B9017364D9B60AED9960492BC211B0176-AtyAts71sc9zLByeVOV5+bfspsVTdybXVpNB7YpNyf8@public.gmane.org> 2013-10-04 18:33 ` Jan Kara 2013-10-04 18:33 ` Jan Kara 2013-10-04 18:33 ` Jan Kara [not found] ` <20131004183315.GA19557-+0h/O2h83AeN3ZZ/Hiejyg@public.gmane.org> 2013-10-07 15:20 ` Marciniszyn, Mike 2013-10-07 15:20 ` Marciniszyn, Mike 2013-10-07 15:20 ` Marciniszyn, Mike 2013-10-07 15:38 ` Marciniszyn, Mike 2013-10-07 15:38 ` Marciniszyn, Mike 2013-10-07 17:26 ` Jan Kara 2013-10-07 17:26 ` Jan Kara 2013-10-08 19:06 ` Jan Kara 2013-10-08 19:06 ` Jan Kara [not found] ` <20131008190604.GB14223-+0h/O2h83AeN3ZZ/Hiejyg@public.gmane.org> 2013-10-16 21:39 ` Jan Kara 2013-10-16 21:39 ` Jan Kara 2013-10-16 21:39 ` Jan Kara 2013-10-02 14:28 ` [PATCH 24/26] ib: Convert qib_user_sdma_pin_pages() to use get_user_pages_unlocked() Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 14:28 ` [PATCH 25/26] ib: Convert mthca_map_user_db() to use get_user_pages_fast() Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 14:28 ` [PATCH 26/26] aio: Remove useless get_user_pages() call Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 14:28 ` Jan Kara 2013-10-02 16:20 ` [PATCH 0/26] get_user_pages() cleanup Christoph Hellwig 2013-10-02 16:20 ` Christoph Hellwig 2013-10-02 20:29 ` Jan Kara 2013-10-02 20:29 ` Jan Kara 2013-10-04 20:31 ` KOSAKI Motohiro 2013-10-04 20:31 ` KOSAKI Motohiro 2013-10-04 20:42 ` KOSAKI Motohiro 2013-10-04 20:42 ` KOSAKI Motohiro 2013-10-07 21:18 ` Jan Kara 2013-10-07 21:18 ` Jan Kara 2013-10-07 21:18 ` Jan Kara 2013-10-08 0:27 ` KOSAKI Motohiro 2013-10-08 0:27 ` KOSAKI Motohiro 2013-10-08 0:27 ` KOSAKI Motohiro 2013-10-08 6:06 ` Jan Kara 2013-10-08 6:06 ` Jan Kara 2013-10-08 6:06 ` Jan Kara
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