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0519e91d80
linux/mm
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Ross Zwisler 7f6d5b529b dax: move writeback calls into the filesystems 
Previously calls to dax_writeback_mapping_range() for all DAX filesystems
(ext2, ext4 & xfs) were centralized in filemap_write_and_wait_range().

dax_writeback_mapping_range() needs a struct block_device, and it used
to get that from inode->i_sb->s_bdev.  This is correct for normal inodes
mounted on ext2, ext4 and XFS filesystems, but is incorrect for DAX raw
block devices and for XFS real-time files.

Instead, call dax_writeback_mapping_range() directly from the filesystem
->writepages function so that it can supply us with a valid block
device.  This also fixes DAX code to properly flush caches in response
to sync(2).

Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Cc: Al Viro <viro@ftp.linux.org.uk>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Jens Axboe <axboe@fb.com>
Cc: Matthew Wilcox <matthew.r.wilcox@intel.com>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-02-27 10:28:52 -08:00
..
kasan UBSAN: run-time undefined behavior sanity checker 2016-01-20 17:09:18 -08:00
backing-dev.c mm/backing-dev.c: fix error path in wb_init() 2016-02-11 18:35:48 -08:00
balloon_compaction.c virtio_balloon: fix race between migration and ballooning 2016-01-12 20:47:06 +02:00
bootmem.c
cleancache.c cleancache: constify cleancache_ops structure 2016-01-27 09:09:57 -05:00
cma_debug.c
cma.c
cma.h
compaction.c mm/compaction.c: __compact_pgdat() code cleanuup 2016-01-14 16:00:49 -08:00
debug-pagealloc.c
debug.c mm: rework mapcount accounting to enable 4k mapping of THPs 2016-01-15 17:56:32 -08:00
dmapool.c
early_ioremap.c
fadvise.c
failslab.c
filemap.c dax: move writeback calls into the filesystems 2016-02-27 10:28:52 -08:00
frame_vector.c
frontswap.c
gup.c mm: retire GUP WARN_ON_ONCE that outlived its usefulness 2016-02-03 08:57:14 -08:00
highmem.c
huge_memory.c thp: call pmdp_invalidate() with correct virtual address 2016-02-24 10:46:30 -08:00
hugetlb_cgroup.c
hugetlb.c mm/hugetlb.c: fix incorrect proc nr_hugepages value 2016-02-18 16:23:24 -08:00
hwpoison-inject.c
init-mm.c
internal.h mm: polish virtual memory accounting 2016-02-03 08:28:43 -08:00
interval_tree.c
Kconfig mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT 2016-02-05 18:10:40 -08:00
Kconfig.debug
kmemcheck.c
kmemleak-test.c
kmemleak.c Revert "gfp: add __GFP_NOACCOUNT" 2016-01-14 16:00:49 -08:00
ksm.c mm/ksm.c: mark stable page dirty 2016-01-15 17:56:32 -08:00
list_lru.c mm: memcontrol: move kmem accounting code to CONFIG_MEMCG 2016-01-20 17:09:18 -08:00
maccess.c
madvise.c mm/huge_memory.c: don't split THP page when MADV_FREE syscall is called 2016-01-15 17:56:32 -08:00
Makefile
memblock.c memblock: don't mark memblock_phys_mem_size() as __init 2016-02-05 18:10:40 -08:00
memcontrol.c thp: change pmd_trans_huge_lock() interface to return ptl 2016-01-21 17:20:51 -08:00
memory_hotplug.c x86, mm: introduce vmem_altmap to augment vmemmap_populate() 2016-01-15 17:56:32 -08:00
memory-failure.c mm: soft-offline: exit with failure for non anonymous thp 2016-01-15 17:56:32 -08:00
memory.c mm: thp: fix SMP race condition between THP page fault and MADV_DONTNEED 2016-02-27 10:28:52 -08:00
mempolicy.c mempolicy: do not try to queue pages from !vma_migratable() 2016-02-05 18:10:40 -08:00
mempool.c
memtest.c
migrate.c mm: numa: quickly fail allocations for NUMA balancing on full nodes 2016-02-27 10:28:52 -08:00
mincore.c thp: change pmd_trans_huge_lock() interface to return ptl 2016-01-21 17:20:51 -08:00
mlock.c mm: fix mlock accouting 2016-01-21 17:20:51 -08:00
mm_init.c
mmap.c mm: fix regression in remap_file_pages() emulation 2016-02-18 16:23:24 -08:00
mmu_context.c
mmu_notifier.c
mmzone.c mm/mmzone.c: memmap_valid_within() can be boolean 2016-01-14 16:00:49 -08:00
mprotect.c mm, dax: check for pmd_none() after split_huge_pmd() 2016-02-11 18:35:48 -08:00
mremap.c mm, dax: check for pmd_none() after split_huge_pmd() 2016-02-11 18:35:48 -08:00
msync.c
nobootmem.c
nommu.c kmemcg: account certain kmem allocations to memcg 2016-01-14 16:00:49 -08:00
oom_kill.c mm, shmem: add internal shmem resident memory accounting 2016-01-14 16:00:49 -08:00
page_alloc.c mm, hugetlb: don't require CMA for runtime gigantic pages 2016-02-05 18:10:40 -08:00
page_counter.c
page_ext.c
page_idle.c mm: add page_check_address_transhuge() helper 2016-01-15 17:56:32 -08:00
page_io.c
page_isolation.c mm/page_isolation: do some cleanup in "undo_isolate_page_range" 2016-01-15 17:56:32 -08:00
page_owner.c
page-writeback.c mm: page_alloc: generalize the dirty balance reserve 2016-01-14 16:00:49 -08:00
pagewalk.c thp: rename split_huge_page_pmd() to split_huge_pmd() 2016-01-15 17:56:32 -08:00
percpu-km.c
percpu-vm.c
percpu.c tree wide: use kvfree() than conditional kfree()/vfree() 2016-01-22 17:02:18 -08:00
pgtable-generic.c mm,thp: fix spellos in describing __HAVE_ARCH_FLUSH_PMD_TLB_RANGE 2016-02-11 18:35:48 -08:00
process_vm_access.c ptrace: use fsuid, fsgid, effective creds for fs access checks 2016-01-20 17:09:18 -08:00
quicklist.c
readahead.c mm: move lru_to_page to mm_inline.h 2016-01-14 16:00:49 -08:00
rmap.c mm: fix locking order in mm_take_all_locks() 2016-01-15 17:56:32 -08:00
shmem.c make sure that freeing shmem fast symlinks is RCU-delayed 2016-01-22 18:08:52 -05:00
slab_common.c mm: slab: free kmem_cache_node after destroy sysfs file 2016-02-18 16:23:24 -08:00
slab.c mm: slab: free kmem_cache_node after destroy sysfs file 2016-02-18 16:23:24 -08:00
slab.h mm: slab: free kmem_cache_node after destroy sysfs file 2016-02-18 16:23:24 -08:00
slob.c mm: slab: free kmem_cache_node after destroy sysfs file 2016-02-18 16:23:24 -08:00
slub.c mm: slab: free kmem_cache_node after destroy sysfs file 2016-02-18 16:23:24 -08:00
sparse-vmemmap.c x86, mm: introduce vmem_altmap to augment vmemmap_populate() 2016-01-15 17:56:32 -08:00
sparse.c x86, mm: introduce vmem_altmap to augment vmemmap_populate() 2016-01-15 17:56:32 -08:00
swap_cgroup.c
swap_state.c mm: memcontrol: charge swap to cgroup2 2016-01-20 17:09:18 -08:00
swap.c mm, x86: get_user_pages() for dax mappings 2016-01-15 17:56:32 -08:00
swapfile.c wrappers for ->i_mutex access 2016-01-22 18:04:28 -05:00
truncate.c dax: support dirty DAX entries in radix tree 2016-01-22 17:02:18 -08:00
userfaultfd.c memcg: adjust to support new THP refcounting 2016-01-15 17:56:32 -08:00
util.c proc: revert /proc/<pid>/maps [stack:TID] annotation 2016-02-03 08:28:43 -08:00
vmacache.c
vmalloc.c mm/vmalloc.c: use macro IS_ALIGNED to judge the aligment 2016-01-15 17:56:32 -08:00
vmpressure.c mm/vmpressure.c: fix subtree pressure detection 2016-02-03 08:28:43 -08:00
vmscan.c mm: downgrade VM_BUG in isolate_lru_page() to warning 2016-02-05 18:10:40 -08:00
vmstat.c vmstat: make vmstat_update deferrable 2016-02-05 18:10:40 -08:00
workingset.c dax: support dirty DAX entries in radix tree 2016-01-22 17:02:18 -08:00
zbud.c mm/zbud.c: use list_last_entry() instead of list_tail_entry() 2016-01-15 11:40:52 -08:00
zpool.c
zsmalloc.c zsmalloc: fix migrate_zspage-zs_free race condition 2016-01-20 17:09:18 -08:00
zswap.c