From: John Hubbard <jhubbard@nvidia.com> To: ira.weiny@intel.com, Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@ziepe.ca>, Dan Williams <dan.j.williams@intel.com>, Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>, Theodore Ts'o <tytso@mit.edu>, Michal Hocko <mhocko@suse.com>, Dave Chinner <david@fromorbit.com>, linux-xfs@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nvdimm@lists.01.org, linux-ext4@vger.kernel.org, linux-mm@kvack.org Subject: Re: [RFC PATCH v2 11/19] mm/gup: Pass follow_page_context further down the call stack Date: Fri, 9 Aug 2019 17:18:31 -0700 [thread overview] Message-ID: <57000521-cc09-9c33-9fa4-1fae5a3972c2@nvidia.com> (raw) In-Reply-To: <20190809225833.6657-12-ira.weiny@intel.com> On 8/9/19 3:58 PM, ira.weiny@intel.com wrote: > From: Ira Weiny <ira.weiny@intel.com> > > In preparation for passing more information (vaddr_pin) into > follow_page_pte(), follow_devmap_pud(), and follow_devmap_pmd(). > > Signed-off-by: Ira Weiny <ira.weiny@intel.com> > --- > include/linux/huge_mm.h | 17 ----------------- > mm/gup.c | 31 +++++++++++++++---------------- > mm/huge_memory.c | 6 ++++-- > mm/internal.h | 28 ++++++++++++++++++++++++++++ > 4 files changed, 47 insertions(+), 35 deletions(-) > > diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h > index 45ede62aa85b..b01a20ce0bb9 100644 > --- a/include/linux/huge_mm.h > +++ b/include/linux/huge_mm.h > @@ -233,11 +233,6 @@ static inline int hpage_nr_pages(struct page *page) > return 1; > } > > -struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, > - pmd_t *pmd, int flags, struct dev_pagemap **pgmap); > -struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, > - pud_t *pud, int flags, struct dev_pagemap **pgmap); > - > extern vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd); > > extern struct page *huge_zero_page; > @@ -375,18 +370,6 @@ static inline void mm_put_huge_zero_page(struct mm_struct *mm) > return; > } > > -static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, > - unsigned long addr, pmd_t *pmd, int flags, struct dev_pagemap **pgmap) > -{ > - return NULL; > -} > - > -static inline struct page *follow_devmap_pud(struct vm_area_struct *vma, > - unsigned long addr, pud_t *pud, int flags, struct dev_pagemap **pgmap) > -{ > - return NULL; > -} > - > static inline bool thp_migration_supported(void) > { > return false; > diff --git a/mm/gup.c b/mm/gup.c > index 504af3e9a942..a7a9d2f5278c 100644 > --- a/mm/gup.c > +++ b/mm/gup.c > @@ -24,11 +24,6 @@ > > #include "internal.h" > > -struct follow_page_context { > - struct dev_pagemap *pgmap; > - unsigned int page_mask; > -}; > - > /** > * put_user_pages_dirty_lock() - release and optionally dirty gup-pinned pages > * @pages: array of pages to be maybe marked dirty, and definitely released. > @@ -172,8 +167,9 @@ static inline bool can_follow_write_pte(pte_t pte, unsigned int flags) > > static struct page *follow_page_pte(struct vm_area_struct *vma, > unsigned long address, pmd_t *pmd, unsigned int flags, > - struct dev_pagemap **pgmap) > + struct follow_page_context *ctx) > { > + struct dev_pagemap **pgmap = &ctx->pgmap; > struct mm_struct *mm = vma->vm_mm; > struct page *page; > spinlock_t *ptl; > @@ -363,13 +359,13 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, > } > if (pmd_devmap(pmdval)) { > ptl = pmd_lock(mm, pmd); > - page = follow_devmap_pmd(vma, address, pmd, flags, &ctx->pgmap); > + page = follow_devmap_pmd(vma, address, pmd, flags, ctx); > spin_unlock(ptl); > if (page) > return page; > } > if (likely(!pmd_trans_huge(pmdval))) > - return follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); > + return follow_page_pte(vma, address, pmd, flags, ctx); > > if ((flags & FOLL_NUMA) && pmd_protnone(pmdval)) > return no_page_table(vma, flags); > @@ -389,7 +385,7 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, > } > if (unlikely(!pmd_trans_huge(*pmd))) { > spin_unlock(ptl); > - return follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); > + return follow_page_pte(vma, address, pmd, flags, ctx); > } > if (flags & (FOLL_SPLIT | FOLL_SPLIT_PMD)) { > int ret; > @@ -419,7 +415,7 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, > } > > return ret ? ERR_PTR(ret) : > - follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); > + follow_page_pte(vma, address, pmd, flags, ctx); > } > page = follow_trans_huge_pmd(vma, address, pmd, flags); > spin_unlock(ptl); > @@ -456,7 +452,7 @@ static struct page *follow_pud_mask(struct vm_area_struct *vma, > } > if (pud_devmap(*pud)) { > ptl = pud_lock(mm, pud); > - page = follow_devmap_pud(vma, address, pud, flags, &ctx->pgmap); > + page = follow_devmap_pud(vma, address, pud, flags, ctx); > spin_unlock(ptl); > if (page) > return page; > @@ -786,7 +782,8 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags) > static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, > unsigned long start, unsigned long nr_pages, > unsigned int gup_flags, struct page **pages, > - struct vm_area_struct **vmas, int *nonblocking) > + struct vm_area_struct **vmas, int *nonblocking, > + struct vaddr_pin *vaddr_pin) I didn't expect to see more vaddr_pin arg passing, based on the commit description. Did you want this as part of patch 9 or 10 instead? If not, then let's mention it in the commit description. > { > long ret = 0, i = 0; > struct vm_area_struct *vma = NULL; > @@ -797,6 +794,8 @@ static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, > > VM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET)); > > + ctx.vaddr_pin = vaddr_pin; > + > /* > * If FOLL_FORCE is set then do not force a full fault as the hinting > * fault information is unrelated to the reference behaviour of a task > @@ -1025,7 +1024,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, > lock_dropped = false; > for (;;) { > ret = __get_user_pages(tsk, mm, start, nr_pages, flags, pages, > - vmas, locked); > + vmas, locked, vaddr_pin); > if (!locked) > /* VM_FAULT_RETRY couldn't trigger, bypass */ > return ret; > @@ -1068,7 +1067,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, > lock_dropped = true; > down_read(&mm->mmap_sem); > ret = __get_user_pages(tsk, mm, start, 1, flags | FOLL_TRIED, > - pages, NULL, NULL); > + pages, NULL, NULL, vaddr_pin); > if (ret != 1) { > BUG_ON(ret > 1); > if (!pages_done) > @@ -1226,7 +1225,7 @@ long populate_vma_page_range(struct vm_area_struct *vma, > * not result in a stack expansion that recurses back here. > */ > return __get_user_pages(current, mm, start, nr_pages, gup_flags, > - NULL, NULL, nonblocking); > + NULL, NULL, nonblocking, NULL); > } > > /* > @@ -1311,7 +1310,7 @@ struct page *get_dump_page(unsigned long addr) > > if (__get_user_pages(current, current->mm, addr, 1, > FOLL_FORCE | FOLL_DUMP | FOLL_GET, &page, &vma, > - NULL) < 1) > + NULL, NULL) < 1) > return NULL; > flush_cache_page(vma, addr, page_to_pfn(page)); > return page; > diff --git a/mm/huge_memory.c b/mm/huge_memory.c > index bc1a07a55be1..7e09f2f17ed8 100644 > --- a/mm/huge_memory.c > +++ b/mm/huge_memory.c > @@ -916,8 +916,9 @@ static void touch_pmd(struct vm_area_struct *vma, unsigned long addr, > } > > struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, > - pmd_t *pmd, int flags, struct dev_pagemap **pgmap) > + pmd_t *pmd, int flags, struct follow_page_context *ctx) > { > + struct dev_pagemap **pgmap = &ctx->pgmap; > unsigned long pfn = pmd_pfn(*pmd); > struct mm_struct *mm = vma->vm_mm; > struct page *page; > @@ -1068,8 +1069,9 @@ static void touch_pud(struct vm_area_struct *vma, unsigned long addr, > } > > struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, > - pud_t *pud, int flags, struct dev_pagemap **pgmap) > + pud_t *pud, int flags, struct follow_page_context *ctx) > { > + struct dev_pagemap **pgmap = &ctx->pgmap; > unsigned long pfn = pud_pfn(*pud); > struct mm_struct *mm = vma->vm_mm; > struct page *page; > diff --git a/mm/internal.h b/mm/internal.h > index 0d5f720c75ab..46ada5279856 100644 > --- a/mm/internal.h > +++ b/mm/internal.h > @@ -12,6 +12,34 @@ > #include <linux/pagemap.h> > #include <linux/tracepoint-defs.h> > > +struct follow_page_context { > + struct dev_pagemap *pgmap; > + unsigned int page_mask; > + struct vaddr_pin *vaddr_pin; > +}; > + > +#ifdef CONFIG_TRANSPARENT_HUGEPAGE > +struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, > + pmd_t *pmd, int flags, struct follow_page_context *ctx); > +struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, > + pud_t *pud, int flags, struct follow_page_context *ctx); > +#else > +static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, > + unsigned long addr, pmd_t *pmd, int flags, > + struct follow_page_context *ctx) > +{ > + return NULL; > +} > + > +static inline struct page *follow_devmap_pud(struct vm_area_struct *vma, > + unsigned long addr, pud_t *pud, int flags, > + struct follow_page_context *ctx) > +{ > + return NULL; > +} > +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ > + > + > /* > * The set of flags that only affect watermark checking and reclaim > * behaviour. This is used by the MM to obey the caller constraints > thanks, -- John Hubbard NVIDIA
WARNING: multiple messages have this Message-ID (diff)
From: John Hubbard <jhubbard@nvidia.com> To: <ira.weiny@intel.com>, Andrew Morton <akpm@linux-foundation.org> Cc: Jason Gunthorpe <jgg@ziepe.ca>, Dan Williams <dan.j.williams@intel.com>, Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>, Theodore Ts'o <tytso@mit.edu>, Michal Hocko <mhocko@suse.com>, Dave Chinner <david@fromorbit.com>, <linux-xfs@vger.kernel.org>, <linux-rdma@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>, <linux-nvdimm@lists.01.org>, <linux-ext4@vger.kernel.org>, <linux-mm@kvack.org> Subject: Re: [RFC PATCH v2 11/19] mm/gup: Pass follow_page_context further down the call stack Date: Fri, 9 Aug 2019 17:18:31 -0700 [thread overview] Message-ID: <57000521-cc09-9c33-9fa4-1fae5a3972c2@nvidia.com> (raw) Message-ID: <20190810001831.IdkCyVILIMKS2lef7kt1qEG1vrH642IibByHBCr1osA@z> (raw) In-Reply-To: <20190809225833.6657-12-ira.weiny@intel.com> On 8/9/19 3:58 PM, ira.weiny@intel.com wrote: > From: Ira Weiny <ira.weiny@intel.com> > > In preparation for passing more information (vaddr_pin) into > follow_page_pte(), follow_devmap_pud(), and follow_devmap_pmd(). > > Signed-off-by: Ira Weiny <ira.weiny@intel.com> > --- > include/linux/huge_mm.h | 17 ----------------- > mm/gup.c | 31 +++++++++++++++---------------- > mm/huge_memory.c | 6 ++++-- > mm/internal.h | 28 ++++++++++++++++++++++++++++ > 4 files changed, 47 insertions(+), 35 deletions(-) > > diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h > index 45ede62aa85b..b01a20ce0bb9 100644 > --- a/include/linux/huge_mm.h > +++ b/include/linux/huge_mm.h > @@ -233,11 +233,6 @@ static inline int hpage_nr_pages(struct page *page) > return 1; > } > > -struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, > - pmd_t *pmd, int flags, struct dev_pagemap **pgmap); > -struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, > - pud_t *pud, int flags, struct dev_pagemap **pgmap); > - > extern vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd); > > extern struct page *huge_zero_page; > @@ -375,18 +370,6 @@ static inline void mm_put_huge_zero_page(struct mm_struct *mm) > return; > } > > -static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, > - unsigned long addr, pmd_t *pmd, int flags, struct dev_pagemap **pgmap) > -{ > - return NULL; > -} > - > -static inline struct page *follow_devmap_pud(struct vm_area_struct *vma, > - unsigned long addr, pud_t *pud, int flags, struct dev_pagemap **pgmap) > -{ > - return NULL; > -} > - > static inline bool thp_migration_supported(void) > { > return false; > diff --git a/mm/gup.c b/mm/gup.c > index 504af3e9a942..a7a9d2f5278c 100644 > --- a/mm/gup.c > +++ b/mm/gup.c > @@ -24,11 +24,6 @@ > > #include "internal.h" > > -struct follow_page_context { > - struct dev_pagemap *pgmap; > - unsigned int page_mask; > -}; > - > /** > * put_user_pages_dirty_lock() - release and optionally dirty gup-pinned pages > * @pages: array of pages to be maybe marked dirty, and definitely released. > @@ -172,8 +167,9 @@ static inline bool can_follow_write_pte(pte_t pte, unsigned int flags) > > static struct page *follow_page_pte(struct vm_area_struct *vma, > unsigned long address, pmd_t *pmd, unsigned int flags, > - struct dev_pagemap **pgmap) > + struct follow_page_context *ctx) > { > + struct dev_pagemap **pgmap = &ctx->pgmap; > struct mm_struct *mm = vma->vm_mm; > struct page *page; > spinlock_t *ptl; > @@ -363,13 +359,13 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, > } > if (pmd_devmap(pmdval)) { > ptl = pmd_lock(mm, pmd); > - page = follow_devmap_pmd(vma, address, pmd, flags, &ctx->pgmap); > + page = follow_devmap_pmd(vma, address, pmd, flags, ctx); > spin_unlock(ptl); > if (page) > return page; > } > if (likely(!pmd_trans_huge(pmdval))) > - return follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); > + return follow_page_pte(vma, address, pmd, flags, ctx); > > if ((flags & FOLL_NUMA) && pmd_protnone(pmdval)) > return no_page_table(vma, flags); > @@ -389,7 +385,7 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, > } > if (unlikely(!pmd_trans_huge(*pmd))) { > spin_unlock(ptl); > - return follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); > + return follow_page_pte(vma, address, pmd, flags, ctx); > } > if (flags & (FOLL_SPLIT | FOLL_SPLIT_PMD)) { > int ret; > @@ -419,7 +415,7 @@ static struct page *follow_pmd_mask(struct vm_area_struct *vma, > } > > return ret ? ERR_PTR(ret) : > - follow_page_pte(vma, address, pmd, flags, &ctx->pgmap); > + follow_page_pte(vma, address, pmd, flags, ctx); > } > page = follow_trans_huge_pmd(vma, address, pmd, flags); > spin_unlock(ptl); > @@ -456,7 +452,7 @@ static struct page *follow_pud_mask(struct vm_area_struct *vma, > } > if (pud_devmap(*pud)) { > ptl = pud_lock(mm, pud); > - page = follow_devmap_pud(vma, address, pud, flags, &ctx->pgmap); > + page = follow_devmap_pud(vma, address, pud, flags, ctx); > spin_unlock(ptl); > if (page) > return page; > @@ -786,7 +782,8 @@ static int check_vma_flags(struct vm_area_struct *vma, unsigned long gup_flags) > static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, > unsigned long start, unsigned long nr_pages, > unsigned int gup_flags, struct page **pages, > - struct vm_area_struct **vmas, int *nonblocking) > + struct vm_area_struct **vmas, int *nonblocking, > + struct vaddr_pin *vaddr_pin) I didn't expect to see more vaddr_pin arg passing, based on the commit description. Did you want this as part of patch 9 or 10 instead? If not, then let's mention it in the commit description. > { > long ret = 0, i = 0; > struct vm_area_struct *vma = NULL; > @@ -797,6 +794,8 @@ static long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, > > VM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET)); > > + ctx.vaddr_pin = vaddr_pin; > + > /* > * If FOLL_FORCE is set then do not force a full fault as the hinting > * fault information is unrelated to the reference behaviour of a task > @@ -1025,7 +1024,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, > lock_dropped = false; > for (;;) { > ret = __get_user_pages(tsk, mm, start, nr_pages, flags, pages, > - vmas, locked); > + vmas, locked, vaddr_pin); > if (!locked) > /* VM_FAULT_RETRY couldn't trigger, bypass */ > return ret; > @@ -1068,7 +1067,7 @@ static __always_inline long __get_user_pages_locked(struct task_struct *tsk, > lock_dropped = true; > down_read(&mm->mmap_sem); > ret = __get_user_pages(tsk, mm, start, 1, flags | FOLL_TRIED, > - pages, NULL, NULL); > + pages, NULL, NULL, vaddr_pin); > if (ret != 1) { > BUG_ON(ret > 1); > if (!pages_done) > @@ -1226,7 +1225,7 @@ long populate_vma_page_range(struct vm_area_struct *vma, > * not result in a stack expansion that recurses back here. > */ > return __get_user_pages(current, mm, start, nr_pages, gup_flags, > - NULL, NULL, nonblocking); > + NULL, NULL, nonblocking, NULL); > } > > /* > @@ -1311,7 +1310,7 @@ struct page *get_dump_page(unsigned long addr) > > if (__get_user_pages(current, current->mm, addr, 1, > FOLL_FORCE | FOLL_DUMP | FOLL_GET, &page, &vma, > - NULL) < 1) > + NULL, NULL) < 1) > return NULL; > flush_cache_page(vma, addr, page_to_pfn(page)); > return page; > diff --git a/mm/huge_memory.c b/mm/huge_memory.c > index bc1a07a55be1..7e09f2f17ed8 100644 > --- a/mm/huge_memory.c > +++ b/mm/huge_memory.c > @@ -916,8 +916,9 @@ static void touch_pmd(struct vm_area_struct *vma, unsigned long addr, > } > > struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, > - pmd_t *pmd, int flags, struct dev_pagemap **pgmap) > + pmd_t *pmd, int flags, struct follow_page_context *ctx) > { > + struct dev_pagemap **pgmap = &ctx->pgmap; > unsigned long pfn = pmd_pfn(*pmd); > struct mm_struct *mm = vma->vm_mm; > struct page *page; > @@ -1068,8 +1069,9 @@ static void touch_pud(struct vm_area_struct *vma, unsigned long addr, > } > > struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, > - pud_t *pud, int flags, struct dev_pagemap **pgmap) > + pud_t *pud, int flags, struct follow_page_context *ctx) > { > + struct dev_pagemap **pgmap = &ctx->pgmap; > unsigned long pfn = pud_pfn(*pud); > struct mm_struct *mm = vma->vm_mm; > struct page *page; > diff --git a/mm/internal.h b/mm/internal.h > index 0d5f720c75ab..46ada5279856 100644 > --- a/mm/internal.h > +++ b/mm/internal.h > @@ -12,6 +12,34 @@ > #include <linux/pagemap.h> > #include <linux/tracepoint-defs.h> > > +struct follow_page_context { > + struct dev_pagemap *pgmap; > + unsigned int page_mask; > + struct vaddr_pin *vaddr_pin; > +}; > + > +#ifdef CONFIG_TRANSPARENT_HUGEPAGE > +struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, > + pmd_t *pmd, int flags, struct follow_page_context *ctx); > +struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, > + pud_t *pud, int flags, struct follow_page_context *ctx); > +#else > +static inline struct page *follow_devmap_pmd(struct vm_area_struct *vma, > + unsigned long addr, pmd_t *pmd, int flags, > + struct follow_page_context *ctx) > +{ > + return NULL; > +} > + > +static inline struct page *follow_devmap_pud(struct vm_area_struct *vma, > + unsigned long addr, pud_t *pud, int flags, > + struct follow_page_context *ctx) > +{ > + return NULL; > +} > +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ > + > + > /* > * The set of flags that only affect watermark checking and reclaim > * behaviour. This is used by the MM to obey the caller constraints > thanks, -- John Hubbard NVIDIA
next prev parent reply other threads:[~2019-08-10 0:18 UTC|newest] Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-08-09 22:58 [RFC PATCH v2 00/19] RDMA/FS DAX truncate proposal V1,000,002 ;-) ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 01/19] fs/locks: Export F_LAYOUT lease to user space ira.weiny 2019-08-09 23:52 ` Dave Chinner 2019-08-12 17:36 ` Ira Weiny 2019-08-14 8:05 ` Dave Chinner 2019-08-14 11:21 ` Jeff Layton 2019-08-14 11:38 ` Dave Chinner 2019-08-09 22:58 ` [RFC PATCH v2 02/19] fs/locks: Add Exclusive flag to user Layout lease ira.weiny 2019-08-14 14:15 ` Jeff Layton 2019-08-14 21:56 ` Dave Chinner 2019-08-26 10:41 ` Jeff Layton 2019-08-29 23:34 ` Ira Weiny 2019-09-04 12:52 ` Jeff Layton 2019-09-04 23:12 ` John Hubbard 2019-08-09 22:58 ` [RFC PATCH v2 03/19] mm/gup: Pass flags down to __gup_device_huge* calls ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 04/19] mm/gup: Ensure F_LAYOUT lease is held prior to GUP'ing pages ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 05/19] fs/ext4: Teach ext4 to break layout leases ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 06/19] fs/ext4: Teach dax_layout_busy_page() to operate on a sub-range ira.weiny 2019-08-23 15:18 ` Vivek Goyal 2019-08-29 18:52 ` Ira Weiny 2019-08-09 22:58 ` [RFC PATCH v2 07/19] fs/xfs: Teach xfs to use new dax_layout_busy_page() ira.weiny 2019-08-09 23:30 ` Dave Chinner 2019-08-12 18:05 ` Ira Weiny 2019-08-14 8:04 ` Dave Chinner 2019-08-09 22:58 ` [RFC PATCH v2 08/19] fs/xfs: Fail truncate if page lease can't be broken ira.weiny 2019-08-09 23:22 ` Dave Chinner 2019-08-12 18:08 ` Ira Weiny 2019-08-09 22:58 ` [RFC PATCH v2 09/19] mm/gup: Introduce vaddr_pin structure ira.weiny 2019-08-10 0:06 ` John Hubbard 2019-08-10 0:06 ` John Hubbard 2019-08-09 22:58 ` [RFC PATCH v2 10/19] mm/gup: Pass a NULL vaddr_pin through GUP fast ira.weiny 2019-08-10 0:06 ` John Hubbard 2019-08-10 0:06 ` John Hubbard 2019-08-09 22:58 ` [RFC PATCH v2 11/19] mm/gup: Pass follow_page_context further down the call stack ira.weiny 2019-08-10 0:18 ` John Hubbard [this message] 2019-08-10 0:18 ` John Hubbard 2019-08-12 19:01 ` Ira Weiny 2019-08-09 22:58 ` [RFC PATCH v2 12/19] mm/gup: Prep put_user_pages() to take an vaddr_pin struct ira.weiny 2019-08-10 0:30 ` John Hubbard 2019-08-10 0:30 ` John Hubbard 2019-08-12 20:46 ` Ira Weiny 2019-08-09 22:58 ` [RFC PATCH v2 13/19] {mm,file}: Add file_pins objects ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 14/19] fs/locks: Associate file pins while performing GUP ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 15/19] mm/gup: Introduce vaddr_pin_pages() ira.weiny 2019-08-10 0:09 ` John Hubbard 2019-08-10 0:09 ` John Hubbard 2019-08-12 21:00 ` Ira Weiny 2019-08-12 21:20 ` John Hubbard 2019-08-12 21:20 ` John Hubbard 2019-08-11 23:07 ` John Hubbard 2019-08-11 23:07 ` John Hubbard 2019-08-12 21:01 ` Ira Weiny 2019-08-12 12:28 ` Jason Gunthorpe 2019-08-12 21:48 ` Ira Weiny 2019-08-13 11:47 ` Jason Gunthorpe 2019-08-13 17:46 ` Ira Weiny 2019-08-13 17:56 ` John Hubbard 2019-08-13 17:56 ` John Hubbard 2019-08-09 22:58 ` [RFC PATCH v2 16/19] RDMA/uverbs: Add back pointer to system file object ira.weiny 2019-08-12 13:00 ` Jason Gunthorpe 2019-08-12 17:28 ` Ira Weiny 2019-08-12 17:56 ` Jason Gunthorpe 2019-08-12 21:15 ` Ira Weiny 2019-08-13 11:48 ` Jason Gunthorpe 2019-08-13 17:41 ` Ira Weiny 2019-08-13 18:00 ` Jason Gunthorpe 2019-08-13 20:38 ` Ira Weiny 2019-08-14 12:23 ` Jason Gunthorpe 2019-08-14 17:50 ` Ira Weiny 2019-08-14 18:15 ` Jason Gunthorpe 2019-09-04 22:25 ` Ira Weiny 2019-09-11 8:19 ` Jason Gunthorpe 2019-08-09 22:58 ` [RFC PATCH v2 17/19] RDMA/umem: Convert to vaddr_[pin|unpin]* operations ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 18/19] {mm,procfs}: Add display file_pins proc ira.weiny 2019-08-09 22:58 ` [RFC PATCH v2 19/19] mm/gup: Remove FOLL_LONGTERM DAX exclusion ira.weiny 2019-08-14 10:17 ` [RFC PATCH v2 00/19] RDMA/FS DAX truncate proposal V1,000,002 ;-) Jan Kara 2019-08-14 18:08 ` Ira Weiny 2019-08-15 13:05 ` Jan Kara 2019-08-16 19:05 ` Ira Weiny 2019-08-16 23:20 ` [RFC PATCH v2 00/19] RDMA/FS DAX truncate proposal V1,000,002 ; -) Ira Weiny 2019-08-19 6:36 ` Jan Kara 2019-08-17 2:26 ` [RFC PATCH v2 00/19] RDMA/FS DAX truncate proposal V1,000,002 ;-) Dave Chinner 2019-08-19 6:34 ` Jan Kara 2019-08-19 9:24 ` Dave Chinner 2019-08-19 12:38 ` Jason Gunthorpe 2019-08-19 21:53 ` Ira Weiny 2019-08-20 1:12 ` Dave Chinner 2019-08-20 11:55 ` Jason Gunthorpe 2019-08-21 18:02 ` Ira Weiny 2019-08-21 18:13 ` Jason Gunthorpe 2019-08-21 18:22 ` John Hubbard 2019-08-21 18:57 ` Ira Weiny 2019-08-21 19:06 ` Ira Weiny 2019-08-21 19:48 ` Jason Gunthorpe 2019-08-21 20:44 ` Ira Weiny 2019-08-21 23:49 ` Jason Gunthorpe 2019-08-23 3:23 ` Dave Chinner 2019-08-23 12:04 ` Jason Gunthorpe 2019-08-24 0:11 ` Dave Chinner 2019-08-24 5:08 ` Ira Weiny 2019-08-26 5:55 ` Dave Chinner 2019-08-29 2:02 ` Ira Weiny 2019-08-29 3:27 ` John Hubbard 2019-08-29 16:16 ` Ira Weiny 2019-09-02 22:26 ` Dave Chinner 2019-09-04 16:54 ` Ira Weiny 2019-08-25 19:39 ` Jason Gunthorpe 2019-08-24 4:49 ` Ira Weiny 2019-08-25 19:40 ` Jason Gunthorpe 2019-08-23 0:59 ` Dave Chinner 2019-08-23 17:15 ` Ira Weiny 2019-08-24 0:18 ` Dave Chinner 2019-08-20 0:05 ` John Hubbard 2019-08-20 1:20 ` Dave Chinner 2019-08-20 3:09 ` John Hubbard 2019-08-20 3:36 ` Dave Chinner 2019-08-21 18:43 ` John Hubbard 2019-08-21 19:09 ` Ira Weiny
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