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Dave Chinner 9e094383b6 writeback: Add tracing to write_cache_pages 
Add a trace event to the ->writepage loop in write_cache_pages to give
visibility into how the ->writepage call is changing variables within the
writeback control structure. Of most interest is how wbc->nr_to_write changes
from call to call, especially with filesystems that write multiple pages
in ->writepage.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-08-07 18:24:26 +02:00
..
backing-dev.c
writeback: Initial tracing support
2010-08-07 18:24:23 +02:00
bootmem.c
x86,nobootmem: make alloc_bootmem_node fall back to other node when 32bit numa is used
2010-07-20 16:25:40 -07:00
bounce.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
compaction.c
mm: compaction: add a tunable that decides when memory should be compacted and when it should be reclaimed
2010-05-25 08:06:59 -07:00
debug-pagealloc.c
generic debug pagealloc
2009-04-01 08:59:13 -07:00
dmapool.c
dmapools: protect page_list walk in show_pools()
2009-06-30 18:56:00 -07:00
fadvise.c
readahead: introduce FMODE_RANDOM for POSIX_FADV_RANDOM
2010-03-06 11:26:25 -08:00
failslab.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
filemap_xip.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
filemap.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2010-05-30 09:16:14 -07:00
fremap.c
mm: clean up mm_counter
2010-03-06 11:26:23 -08:00
highmem.c
highmem: remove unneeded #ifdef CONFIG_TRACE_IRQFLAGS_SUPPORT for debug_kmap_atomic()
2010-05-25 08:07:01 -07:00
hugetlb.c
cpuset,mm: fix no node to alloc memory when changing cpuset's mems
2010-05-25 08:06:57 -07:00
hwpoison-inject.c
HWPOISON: Don't do early filtering if filter is disabled
2009-12-16 12:20:01 +01:00
init-mm.c
mm: consolidate init_mm definition
2009-06-16 19:47:28 -07:00
internal.h
HWPOISON: add an interface to switch off/on all the page filters
2009-12-16 12:19:59 +01:00
Kconfig
lmb: rename to memblock
2010-07-14 17:14:00 +10:00
Kconfig.debug
trivial: improve help text for mm debug config options
2009-09-21 15:14:57 +02:00
kmemcheck.c
kmemcheck: Fix build errors due to missing slab.h
2010-03-30 22:02:32 +09:00
kmemleak-test.c
percpu: clean up percpu variable definitions
2009-06-24 15:13:48 +09:00
kmemleak.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
ksm.c
mm: migration: share the anon_vma ref counts between KSM and page migration
2010-05-25 08:06:58 -07:00
maccess.c
maccess,probe_kernel: Allow arch specific override probe_kernel_(read|write)
2010-01-07 11:58:36 -06:00
madvise.c
HWPOISON: Add a madvise() injector for soft page offlining
2009-12-16 12:20:00 +01:00
Makefile
lmb: rename to memblock
2010-07-14 17:14:00 +10:00
memblock.c
lmb: rename to memblock
2010-07-14 17:14:00 +10:00
memcontrol.c
memcg: fix wake up in oom wait queue
2010-06-29 15:29:30 -07:00
memory_hotplug.c
mem-hotplug: fix potential race while building zonelist for new populated zone
2010-05-25 08:07:02 -07:00
memory-failure.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
memory.c
mm: fix ia64 crash when gcore reads gate area
2010-07-30 18:56:09 -07:00
mempolicy.c
mempolicy: fix dangling reference to tmpfs superblock mpol
2010-06-29 15:29:31 -07:00
mempool.c
mm: remove broken 'kzalloc' mempool
2009-09-22 07:17:35 -07:00
migrate.c
memcg: fix mis-accounting of file mapped racy with migration
2010-05-27 09:12:44 -07:00
mincore.c
mincore: do nested page table walks
2010-05-25 08:06:58 -07:00
mlock.c
x86, perf, bts, mm: Delete the never used BTS-ptrace code
2010-03-26 11:33:55 +01:00
mm_init.c
mm: mminit_loglevel cannot be __meminitdata anymore
2008-08-20 15:40:30 -07:00
mmap.c
mmap: check ->vm_ops before dereferencing
2010-04-27 08:26:51 -07:00
mmu_context.c
exit: fix oops in sync_mm_rss
2010-03-24 16:31:21 -07:00
mmu_notifier.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
mmzone.c
[ARM] Double check memmap is actually valid with a memmap has unexpected holes V2
2009-05-18 11:22:24 +01:00
mprotect.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
mremap.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
msync.c
sanitize vfs_fsync calling conventions
2010-05-21 18:31:21 -04:00
nommu.c
nommu: allow private mappings of read-only devices
2010-05-26 08:19:23 -07:00
oom_kill.c
memcg: make oom killer a no-op when no killable task can be found
2010-05-27 09:12:43 -07:00
page_alloc.c
x86,nobootmem: make alloc_bootmem_node fall back to other node when 32bit numa is used
2010-07-20 16:25:40 -07:00
page_cgroup.c
kmemleak: Annotate false positive in init_section_page_cgroup()
2010-07-19 11:54:14 +01:00
page_io.c
block: unify flags for struct bio and struct request
2010-08-07 18:20:39 +02:00
page_isolation.c
memory hotplug: fix page_zone() calculation in test_pages_isolated()
2008-11-06 15:41:19 -08:00
page-writeback.c
writeback: Add tracing to write_cache_pages
2010-08-07 18:24:26 +02:00
pagewalk.c
pagemap: fix pfn calculation for hugepage
2010-04-07 08:38:04 -07:00
percpu_up.c
percpu: don't implicitly include slab.h from percpu.h
2010-03-30 22:02:32 +09:00
percpu-km.c
percpu: implement kernel memory based chunk allocation
2010-05-01 08:30:50 +02:00
percpu-vm.c
percpu: move vmalloc based chunk management into percpu-vm.c
2010-05-01 08:30:50 +02:00
percpu.c
percpu: fix first chunk match in per_cpu_ptr_to_phys()
2010-06-18 15:07:23 +02:00
prio_tree.c
spelling fixes: mm/
2007-10-20 01:27:18 +02:00
quicklist.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
readahead.c
readahead.c: fix comment
2010-05-25 08:07:00 -07:00
rmap.c
mm: migration: avoid race between shift_arg_pages() and rmap_walk() during migration by not migrating temporary stacks
2010-05-25 08:06:59 -07:00
shmem.c
fix truncate inode time modification breakage
2010-06-04 17:16:30 -04:00
slab.c
numa: slab: use numa_mem_id() for slab local memory node
2010-05-27 09:12:57 -07:00
slob.c
mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGN to <linux/slob_def.h>
2010-05-19 22:03:13 +03:00
slub.c
Merge branch 'slub/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/slab-2.6
2010-05-30 12:46:17 -07:00
sparse-vmemmap.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
sparse.c
sparsemem: on no vmemmap path put mem_map on node high too
2010-05-25 08:06:56 -07:00
swap_state.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
swap.c
mm: export lru_cache_add_*() to modules
2010-05-25 15:06:06 +02:00
swapfile.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6
2010-05-21 15:26:46 -07:00
thrash.c
mm: pass mm to grab_swap_token
2009-06-23 12:50:05 -07:00
truncate.c
fs: introduce new truncate sequence
2010-05-27 22:15:33 -04:00
util.c
slab: Generify kernel pointer validation
2010-04-09 10:09:50 -07:00
vmalloc.c
mm: purge fragmented percpu vmap blocks
2010-02-02 12:50:47 -08:00
vmscan.c
mm/vmscan.c: fix mapping use after free
2010-07-20 16:25:40 -07:00
vmstat.c
mm: compaction: direct compact when a high-order allocation fails
2010-05-25 08:06:59 -07:00