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79124f18b3
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Josef Bacik 79124f18b3 fs: add hole punching to fallocate 
Hole punching has already been implemented by XFS and OCFS2, and has the
potential to be implemented on both BTRFS and EXT4 so we need a generic way to
get to this feature.  The simplest way in my mind is to add FALLOC_FL_PUNCH_HOLE
to fallocate() since it already looks like the normal fallocate() operation.
I've tested this patch with XFS and BTRFS to make sure XFS did what it's
supposed to do and that BTRFS failed like it was supposed to.  Thank you,

Signed-off-by: Josef Bacik <josef@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-01-12 20:16:43 -05:00
..
9p
switch 9p
2011-01-12 20:03:43 -05:00
adfs
switch adfs
2011-01-12 20:02:45 -05:00
affs
switch affs
2011-01-12 20:03:42 -05:00
afs
switch afs
2011-01-12 20:04:20 -05:00
autofs4
fs: rcu-walk aware d_revalidate method
2011-01-07 17:50:29 +11:00
befs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
bfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
btrfs
switch btrfs, close races
2011-01-12 20:02:47 -05:00
cachefiles
…
ceph
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
cifs
switch cifs
2011-01-12 20:02:46 -05:00
coda
take coda-private headers out of include/linux
2011-01-12 20:02:48 -05:00
configfs
switch configfs
2011-01-12 20:03:12 -05:00
cramfs
new helper: mount_bdev()
2010-10-29 04:16:13 -04:00
debugfs
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
devpts
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
dlm
dlm: sanitize work_start() in lowcomms.c
2010-12-13 13:42:24 -06:00
ecryptfs
sanitize ecryptfs ->mount()
2011-01-12 20:04:37 -05:00
efs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
exofs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
exportfs
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
ext2
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2011-01-11 14:37:31 -08:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2011-01-11 14:37:31 -08:00
ext4
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2011-01-11 14:37:31 -08:00
fat
switch fat to ->s_d_op, close exportfs races there
2011-01-12 20:02:43 -05:00
freevxfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
fscache
…
fuse
switch fuse
2011-01-12 20:02:44 -05:00
gfs2
switch gfs2, close races
2011-01-12 20:02:46 -05:00
hfs
switch hfs
2011-01-12 20:02:45 -05:00
hfsplus
switch hfsplus
2011-01-12 20:02:45 -05:00
hostfs
switch hostfs
2011-01-12 20:03:42 -05:00
hpfs
switch hpfs
2011-01-12 20:02:47 -05:00
hppfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
hugetlbfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
isofs
fix isofs d_op handling
2011-01-12 20:02:43 -05:00
jbd
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6
2010-10-27 20:13:18 -07:00
jbd2
ext4: dynamically allocate the jbd2_inode in ext4_inode_info as necessary
2011-01-10 12:29:43 -05:00
jffs2
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
jfs
switch jfs to ->s_d_op, close exportfs races
2011-01-12 20:02:43 -05:00
lockd
lockd: double unlock in next_host_state()
2011-01-04 13:10:37 -05:00
logfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
minix
minixfs: kill dead code
2011-01-12 20:02:44 -05:00
ncpfs
move internal-only parts of ncpfs headers to fs/ncpfs
2011-01-12 20:03:43 -05:00
nfs
switch nfs to ->s_d_op
2011-01-12 20:02:45 -05:00
nfs_common
…
nfsd
Merge branch 'nfs-for-2.6.38' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6
2011-01-11 15:11:56 -08:00
nilfs2
headers: kobject.h redux
2011-01-10 08:51:44 -08:00
nls
…
notify
fs: dcache per-inode inode alias locking
2011-01-07 17:50:31 +11:00
ntfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
ocfs2
switch ocfs2, close races
2011-01-12 20:02:46 -05:00
omfs
new helper: mount_bdev()
2010-10-29 04:16:13 -04:00
openpromfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
partitions
…
proc
Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
2011-01-07 14:39:20 -08:00
qnx4
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
quota
quota: Use %pV and __attribute__((format (printf in __quota_error and fix fallout
2011-01-10 19:04:05 +01:00
ramfs
convert get_sb_nodev() users
2010-10-29 04:16:31 -04:00
reiserfs
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
romfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
squashfs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
sysfs
Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
2011-01-10 16:10:33 -08:00
sysv
switch sysv
2011-01-12 20:02:44 -05:00
ubifs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
udf
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6
2011-01-11 14:45:52 -08:00
ufs
fs: icache RCU free inodes
2011-01-07 17:50:26 +11:00
xfs
Merge branch 'master' into for-linus-merged
2011-01-10 21:35:55 -06:00
aio.c
new helper: ihold()
2010-10-25 21:26:11 -04:00
anon_inodes.c
pass default dentry_operations to mount_pseudo()
2011-01-12 20:03:43 -05:00
attr.c
…
bad_inode.c
fs: provide rcu-walk aware permission i_ops
2011-01-07 17:50:29 +11:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
…
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
convert get_sb_single() users
2010-10-29 04:16:28 -04:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
…
bio.c
bio: take care not overflow page count when mapping/copying user data
2010-11-10 14:40:43 +01:00
block_dev.c
pass default dentry_operations to mount_pseudo()
2011-01-12 20:03:43 -05:00
buffer.c
fs: Use this_cpu_inc_return in buffer.c
2010-12-17 15:18:05 +01:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
Merge branch 'tty-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty-2.6
2011-01-07 14:39:20 -08:00
compat.c
exec: copy-and-paste the fixes into compat_do_execve() paths
2010-11-30 17:56:38 -08:00
dcache.c
fs: fix kernel-doc for dcache::prepend_path
2011-01-12 20:06:57 -05:00
dcookies.c
…
direct-io.c
fs/direct-io.c: fix truncation error in dio_complete() return
2010-10-26 16:52:13 -07:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
epoll: make epoll_wait() use the hrtimer range feature
2010-10-27 18:03:18 -07:00
exec.c
install_special_mapping skips security_file_mmap check.
2010-12-15 12:30:36 -08:00
fcntl.c
fasync: Fix placement of FASYNC flag comment
2010-10-27 18:17:02 -07:00
fifo.c
…
file_table.c
fs: allow for more than 2^31 files
2010-10-26 16:52:15 -07:00
file.c
…
filesystems.c
fs: rcu-walk for path lookup
2011-01-07 17:50:27 +11:00
fs_struct.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
fs-writeback.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
2010-10-30 09:05:48 -07:00
generic_acl.c
fs: provide simple rcu-walk generic_check_acl implementation
2011-01-07 17:50:29 +11:00
inode.c
fs: avoid inode RCU freeing for pseudo fs
2011-01-07 17:50:26 +11:00
internal.h
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
ioctl.c
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
2010-11-19 19:46:45 -08:00
ioprio.c
ioprio: grab rcu_read_lock in sys_ioprio_{set,get}()
2010-11-15 10:23:31 +01:00
Kconfig
Merge 'staging-next' to Linus's tree
2010-10-28 09:44:56 -07:00
Kconfig.binfmt
coredump: default CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
2010-10-27 18:03:12 -07:00
libfs.c
pass default dentry_operations to mount_pseudo()
2011-01-12 20:03:43 -05:00
locks.c
fs: dcache scale dentry refcount
2011-01-07 17:50:21 +11:00
Makefile
Merge 'staging-next' to Linus's tree
2010-10-28 09:44:56 -07:00
mbcache.c
ext2: Resolve 'dereferencing pointer to incomplete type' when enabling EXT2_XATTR_DEBUG
2011-01-10 19:04:08 +01:00
mpage.c
…
namei.c
vfs: pass struct file to do_truncate on O_TRUNC opens (try )
2011-01-12 20:06:59 -05:00
namespace.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
nfsctl.c
…
no-block.c
…
open.c
fs: add hole punching to fallocate
2011-01-12 20:16:43 -05:00
pipe.c
pass default dentry_operations to mount_pseudo()
2011-01-12 20:03:43 -05:00
pnode.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
pnode.h
…
posix_acl.c
…
read_write.c
fix signedness mess in rw_verify_area() on 64bit architectures
2011-01-12 20:06:58 -05:00
read_write.h
…
readdir.c
…
select.c
epoll: make epoll_wait() use the hrtimer range feature
2010-10-27 18:03:18 -07:00
seq_file.c
fs: take dcache_lock inside __d_path
2010-10-25 21:26:12 -04:00
signalfd.c
Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6
2010-10-26 10:13:10 -07:00
splice.c
Export 'get_pipe_info()' to other users
2010-11-28 14:09:57 -08:00
stack.c
…
stat.c
…
statfs.c
…
super.c
fs: scale mntget/mntput
2011-01-07 17:50:33 +11:00
sync.c
…
timerfd.c
…
utimes.c
…
xattr_acl.c
…
xattr.c
…