Namjae Jeon 9eb79482a9 ext4: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate ... This patch implements fallocate's FALLOC_FL_COLLAPSE_RANGE for Ext4. The semantics of this flag are following: 1) It collapses the range lying between offset and length by removing any data blocks which are present in this range and than updates all the logical offsets of extents beyond "offset + len" to nullify the hole created by removing blocks. In short, it does not leave a hole. 2) It should be used exclusively. No other fallocate flag in combination. 3) Offset and length supplied to fallocate should be fs block size aligned in case of xfs and ext4. 4) Collaspe range does not work beyond i_size. Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com> Signed-off-by: Ashish Sangwan <a.sangwan@samsung.com> Tested-by: Dongsu Park <dongsu.park@profitbricks.com> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>		2014-02-23 15:18:59 -05:00
..
9p.h	9p: trace: use %*ph to dump buffer	2013-05-28 13:42:08 -05:00
asoc.h	ASoC: trace: Make sure trace header doesnt depend on any headers	2013-09-17 00:37:03 +01:00
bcache.h	bcache: Add struct btree_keys	2014-01-08 13:05:13 -08:00
block.h	block: Abstract out bvec iterator	2013-11-23 22:33:47 -08:00
btrfs.h	Btrfs/tracepoint: update new flags for ordered extent TP	2014-01-28 13:19:38 -08:00
compaction.h	mm: compaction: trace compaction begin and end	2014-01-21 16:19:48 -08:00
context_tracking.h	context_tracking: User/kernel broundary cross trace events	2013-08-14 17:14:48 +02:00
ext3.h	jbd: change journal_invalidatepage() to accept length	2013-05-21 23:26:36 -04:00
ext4.h	ext4: Add support FALLOC_FL_COLLAPSE_RANGE for fallocate	2014-02-23 15:18:59 -05:00
f2fs.h	Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block	2014-01-30 11:19:05 -08:00
filemap.h	mm: trace filemap add and del	2013-04-29 15:54:28 -07:00
gfpflags.h	mm: add a __GFP_KMEMCG flag	2012-12-18 15:02:12 -08:00
gpio.h
host1x.h	gpu: host1x: Add channel support	2013-04-22 12:32:43 +02:00
iommu.h	iommu: Add iommu_error class event to iommu trace	2013-09-25 11:07:04 +02:00
irq.h	rcu: Use softirq to address performance regression	2011-06-14 15:25:39 -07:00
jbd.h	jbd: Write journal superblock with WRITE_FUA after checkpointing	2012-05-15 23:34:37 +02:00
jbd2.h	jbd2: trace when lock_buffer in do_get_write_access takes a long time	2013-04-21 16:47:54 -04:00
kmem.h	mm: get rid of unnecessary overhead of trace_mm_page_alloc_extfrag()	2013-11-13 12:09:10 +09:00
kvm.h	KVM: Drop FOLL_GET in GUP when doing async page fault	2013-10-15 13:43:37 +03:00
lock.h
mce.h
migrate.h	mm: numa: trace tasks that fail migration due to rate limiting	2014-01-21 16:19:48 -08:00
module.h	include: replace linux/module.h with "struct module" wherever possible	2011-10-31 19:32:32 -04:00
napi.h
net.h	net: Add trace events for all receive entry points, exposing more skb fields	2014-01-14 14:46:02 -08:00
nmi.h	x86: Add NMI duration tracepoints	2013-06-23 11:52:58 +02:00
oom.h	mm, oom: change type of oom_score_adj to short	2012-12-11 17:22:27 -08:00
pagemap.h	mm: add tracepoints for LRU activation and insertions	2013-07-03 16:07:31 -07:00
power.h	intel_pstate: Add trace point to report internal state.	2014-01-17 02:00:44 +01:00
power_cpu_migrate.h	ARM: bL_switcher/trace: Add trace trigger for trace bootstrapping	2013-09-23 18:47:30 -04:00
printk.h	printk/tracing: rework console tracing	2013-04-29 18:28:13 -07:00
random.h	random: convert DEBUG_ENT to tracepoints	2013-10-10 14:32:23 -04:00
ras.h	PCI, AER: Fix severity usage in aer trace event	2013-12-08 15:39:10 +01:00
rcu.h	rcu: Avoid sparse warnings in rcu_nocb_wake trace event	2013-09-23 09:18:17 -07:00
regmap.h	regmap: Add support for discarding parts of the register cache	2013-05-12 18:46:47 +04:00
regulator.h
rpm.h	device.h: audit and cleanup users in main include dir	2012-03-16 10:38:24 -04:00
sched.h	sched: add tracepoints related to NUMA task migration	2014-01-21 16:19:48 -08:00
scsi.h
signal.h	tracing: let trace_signal_generate() report more info, kill overflow_fail/lose_info	2012-01-13 18:48:50 +01:00
skb.h
sock.h	core: add tracepoints for queueing skb to rcvbuf	2011-06-21 16:06:10 -07:00
spi.h	spi: Provide common spi_message processing loop	2013-10-11 20:09:50 +01:00
sunrpc.h	SUNRPC: Add tracepoint for socket errors	2013-12-31 14:02:46 -05:00
swiotlb.h	tracing/events: Add bounce tracing to swiotbl	2013-10-02 12:53:26 -04:00
syscalls.h
target.h	target: Fix assignment of LUN in tracepoints	2013-10-09 01:54:44 -07:00
task.h	mm, oom: change type of oom_score_adj to short	2012-12-11 17:22:27 -08:00
timer.h	Merge branch 'timers-nohz-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2013-05-05 13:23:27 -07:00
udp.h	udp: add tracepoints for queueing skb to rcvbuf	2011-06-21 16:06:10 -07:00
v4l2.h	[media] v4l2-dev: Add tracepoints for QBUF and DQBUF	2013-12-10 15:53:43 -02:00
vmscan.h	shrinker: Kill old ->shrink API.	2013-09-10 18:56:32 -04:00
workqueue.h	workqueue: rename cpu_workqueue to pool_workqueue	2013-02-13 19:29:12 -08:00
writeback.h	writeback: do not sync data dirtied after sync start	2013-11-13 12:09:07 +09:00
xen.h	xen/mmu: Use Xen specific TLB flush instead of the generic one.	2012-10-31 12:38:31 -04:00