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Mike Snitzer 77304d2aba block: read i_size with i_size_read() 
Convert direct reads of an inode's i_size to using i_size_read().

i_size_{read,write} use a seqcount to protect reads from accessing
incomple writes.  Concurrent i_size_write()s require mutual exclussion
to protect the seqcount that is used by i_size_{read,write}.  But
i_size_read() callers do not need to use additional locking.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: NeilBrown <neilb@suse.de>
Acked-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-11-10 14:40:53 +01:00
..
bitmap.c md: unplug writes to external bitmaps. 2010-10-29 16:40:32 +11:00
bitmap.h md: use sector_t in bitmap_get_counter 2010-10-28 17:32:26 +11:00
dm-bio-record.h
dm-crypt.c dm: implement REQ_FLUSH/FUA support for bio-based dm 2010-09-10 12:35:38 +02:00
dm-delay.c dm delay: support discard 2010-08-12 04:14:13 +01:00
dm-exception-store.c dm snapshot: test chunk size against both origin and snapshot 2010-08-12 04:13:51 +01:00
dm-exception-store.h dm snapshot: test chunk size against both origin and snapshot 2010-08-12 04:13:51 +01:00
dm-io.c dm: implement REQ_FLUSH/FUA support for bio-based dm 2010-09-10 12:35:38 +02:00
dm-ioctl.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
dm-kcopyd.c block: unify flags for struct bio and struct request 2010-08-07 18:20:39 +02:00
dm-linear.c dm: use dm_target_offset macro 2010-08-12 04:14:11 +01:00
dm-log-userspace-base.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
dm-log-userspace-transfer.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
dm-log-userspace-transfer.h
dm-log.c dm: implement REQ_FLUSH/FUA support for bio-based dm 2010-09-10 12:35:38 +02:00
dm-mpath.c dm mpath: support discard 2010-08-12 04:14:32 +01:00
dm-mpath.h
dm-path-selector.c
dm-path-selector.h
dm-queue-length.c
dm-raid1.c dm: implement REQ_FLUSH/FUA support for bio-based dm 2010-09-10 12:35:38 +02:00
dm-region-hash.c dm: implement REQ_FLUSH/FUA support for bio-based dm 2010-09-10 12:35:38 +02:00
dm-round-robin.c
dm-service-time.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
dm-snap-persistent.c workqueues: s/ON_STACK/ONSTACK/ 2010-10-26 16:52:14 -07:00
dm-snap-transient.c
dm-snap.c Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block 2010-10-22 17:07:18 -07:00
dm-stripe.c dm: implement REQ_FLUSH/FUA support for bio-based dm 2010-09-10 12:35:38 +02:00
dm-sysfs.c
dm-table.c Consolidate min_not_zero 2010-09-10 20:07:38 +02:00
dm-target.c dm: error return error for discards 2010-08-12 04:14:14 +01:00
dm-uevent.c
dm-uevent.h
dm-zero.c dm: zero silently drop discards 2010-08-12 04:14:12 +01:00
dm.c Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block 2010-10-22 17:07:18 -07:00
dm.h dm: linear support discard 2010-08-12 04:14:08 +01:00
faulty.c md: use separate bio pool for each md device. 2010-10-28 17:36:15 +11:00
Kconfig Merge branch 'async' of macbook:git/btrfs-unstable 2010-08-09 10:36:44 +01:00
linear.c md: implment REQ_FLUSH/FUA support 2010-09-10 12:35:38 +02:00
linear.h
Makefile Merge branch 'async' of macbook:git/btrfs-unstable 2010-08-09 10:36:44 +01:00
md.c block: read i_size with i_size_read() 2010-11-10 14:40:53 +01:00
md.h md: use separate bio pool for each md device. 2010-10-28 17:36:15 +11:00
multipath.c md: implment REQ_FLUSH/FUA support 2010-09-10 12:35:38 +02:00
multipath.h
raid0.c md: implment REQ_FLUSH/FUA support 2010-09-10 12:35:38 +02:00
raid0.h md: fix handling of array level takeover that re-arranges devices. 2010-06-24 13:33:24 +10:00
raid1.c md: tidy up device searches in read_balance. 2010-10-29 16:40:33 +11:00
raid1.h md/raid1: discard unused variable. 2010-10-29 16:40:33 +11:00
raid5.c md: use separate bio pool for each md device. 2010-10-28 17:36:15 +11:00
raid5.h md: implment REQ_FLUSH/FUA support 2010-09-10 12:35:38 +02:00
raid10.c md: use separate bio pool for each md device. 2010-10-28 17:36:15 +11:00
raid10.h md: fix handling of array level takeover that re-arranges devices. 2010-06-24 13:33:24 +10:00