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ba65ae4729bf81c58d9fc847f67d57eec525b042
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Ryusuke Konishi ba65ae4729 nilfs2: add checkpoint tree to nilfs object 
To hold multiple versions of a filesystem in one sb instance, a new
on-memory structure is necessary to handle one or more checkpoints.

This adds a red-black tree of checkpoints to nilfs object, and adds
lookup and create functions for them.

Each checkpoint is represented by "nilfs_root" structure, and this
structure has rb_node to configure the rb-tree.

The nilfs_root object is identified with a checkpoint number.  For
each snapshot, a nilfs_root object is allocated and the checkpoint
number of snapshot is assigned to it.  For a regular mount
(i.e. current mode mount), NILFS_CPTREE_CURRENT_CNO constant is
assigned to the corresponding nilfs_root object.

Each nilfs_root object has an ifile inode and some counters.  These
items will displace those of nilfs_sb_info structure in successive
patches.

Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
2010-10-23 09:24:34 +09:00
..
9p
fs/9p: Don't use dotl version of mknod for dotu inode operations
2010-09-13 08:13:03 -05:00
adfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
affs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
afs
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
autofs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
autofs4
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
befs
…
bfs
BKL: Remove BKL from BFS
2010-10-04 21:10:35 +02:00
btrfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
cachefiles
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
ceph
ceph: do not carry i_lock for readdir from dcache
2010-10-20 15:38:27 -07:00
cifs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
coda
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
configfs
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cramfs
cramfs: only unlock new inodes
2010-08-18 01:01:33 -04:00
debugfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
devpts
…
dlm
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
ecryptfs
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
efs
…
exofs
exofs: Fix double page_unlock BUG in write_begin/end
2010-10-08 11:26:54 -04:00
exportfs
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ext2
BKL: Remove BKL from ext2 filesystem
2010-10-04 21:10:44 +02:00
ext3
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
ext4
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
fat
BKL: Remove BKL from fat
2010-10-04 21:10:45 +02:00
freevxfs
BKL: remove BKL from freevxfs
2010-10-21 18:48:09 +02:00
fscache
Add a dummy printk function for the maintenance of unused printks
2010-08-12 09:51:35 -07:00
fuse
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
gfs2
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
hfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
hfsplus
hfsplus: fix getxattr return value
2010-10-15 05:45:00 -07:00
hostfs
hostfs ->follow_link() braino
2010-08-18 06:21:10 -04:00
hpfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
hppfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
hugetlbfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
isofs
BKL: Remove BKL from isofs
2010-10-04 21:10:45 +02:00
jbd
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
jbd2
JBD2: Allow feature checks before journal recovery
2010-09-10 08:41:54 -07:00
jffs2
BKL: Remove BKL from jffs2
2010-10-04 21:10:50 +02:00
jfs
BKL: Remove BKL from JFS
2010-10-04 21:10:40 +02:00
lockd
…
logfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
minix
minix: fix regression in minix_mkdir()
2010-09-09 18:57:25 -07:00
ncpfs
ncpfs: Lock socket in ncpfs while setting its callbacks
2010-10-05 11:02:14 +02:00
nfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
nfs_common
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nfsd
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
nilfs2
nilfs2: add checkpoint tree to nilfs object
2010-10-23 09:24:34 +09:00
nls
…
notify
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
ntfs
BKL: Remove BKL from NTFS
2010-10-04 21:10:41 +02:00
ocfs2
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bcopeland/omfs
2010-08-10 11:47:36 -07:00
openpromfs
…
partitions
[S390] partitions: fix build error in ibm partition detection code
2010-08-13 10:06:55 +02:00
proc
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
qnx4
BKL: remove BKL from qnx4
2010-10-21 18:48:04 +02:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2010-08-10 11:26:52 -07:00
ramfs
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
reiserfs
reiserfs: fix unwanted reiserfs lock recursion
2010-10-01 10:50:59 -07:00
romfs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
smbfs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
squashfs
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
sysfs
sysfs: Add sysfs_merge_group() and sysfs_unmerge_group()
2010-10-17 01:57:44 +02:00
sysv
fs/sysv/super.c: add support for non-PDP11 v7 filesystems
2010-08-11 08:59:23 -07:00
ubifs
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
udf
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
ufs
Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:01 -07:00
xfs
xfs: properly account for reclaimed inodes
2010-10-06 22:35:48 -05:00
aio.c
aio: do not return ERESTARTSYS as a result of AIO
2010-09-22 17:22:39 -07:00
anon_inodes.c
…
attr.c
check ATTR_SIZE contraints in inode_change_ok
2010-08-09 16:47:39 -04:00
bad_inode.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
binfmt_aout.c
Don't dump task struct in a.out core-dumps
2010-10-14 10:57:40 -07:00
binfmt_elf_fdpic.c
…
binfmt_elf.c
ARM: 6342/1: fix ASLR of PIE executables
2010-10-08 10:02:53 +01:00
binfmt_em86.c
…
binfmt_flat.c
…
binfmt_misc.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
binfmt_script.c
Make do_execve() take a const filename pointer
2010-08-17 18:07:43 -07:00
binfmt_som.c
…
bio-integrity.c
fs/bio-integrity.c: return -ENOMEM on kmalloc failure
2010-08-23 13:36:59 +02:00
bio.c
block: unify flags for struct bio and struct request
2010-08-07 18:20:39 +02:00
block_dev.c
blkdev: cgroup whitelist permission fix
2010-08-11 08:59:18 -07:00
buffer.c
remove SWRITE* I/O types
2010-08-18 01:09:01 -04:00
char_dev.c
Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl
2010-10-22 10:52:56 -07:00
compat_binfmt_elf.c
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compat_ioctl.c
fix rawctl compat ioctls breakage on amd64 and itanic
2010-10-19 11:29:54 +02:00
compat.c
Prevent freeing uninitialized pointer in compat_do_readv_writev
2010-09-22 17:22:38 -07:00
dcache.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
dcookies.c
…
direct-io.c
O_DIRECT: fix the splitting up of contiguous I/O
2010-09-09 18:57:22 -07:00
drop_caches.c
simplify checks for I_CLEAR/I_FREEING
2010-08-09 16:47:44 -04:00
eventfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
eventpoll.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
exec.c
Export dump_{write,seek} to binary loader modules
2010-10-14 19:15:28 -07:00
fcntl.c
vfs: take O_NONBLOCK out of the O_* uniqueness test
2010-09-09 18:57:25 -07:00
fifo.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
file_table.c
fs: scale files_lock
2010-08-18 08:35:48 -04:00
file.c
vfs: use kmalloc() to allocate fdmem if possible
2010-08-11 08:59:02 -07:00
filesystems.c
…
fs_struct.c
fs: fs_struct rwlock to spinlock
2010-08-18 08:35:46 -04:00
fs-writeback.c
writeback: always use sb->s_bdi for writeback purposes
2010-10-04 14:25:33 +02:00
generic_acl.c
vfs: update ctime when changing the file's permission by setfacl
2010-08-18 01:04:22 -04:00
inode.c
Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify
2010-08-10 11:39:13 -07:00
internal.h
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
ioctl.c
bkl: Remove locked .ioctl file operation
2010-08-14 00:24:24 +02:00
ioprio.c
…
Kconfig
BKL: introduce CONFIG_BKL.
2010-10-21 15:44:13 +02:00
Kconfig.binfmt
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libfs.c
libfs: Fix shift bug in generic_check_addressable()
2010-09-10 08:42:48 -07:00
locks.c
fs/locks.c: prepare for BKL removal
2010-10-05 11:02:04 +02:00
Makefile
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mbcache.c
mbcache: Limit the maximum number of cache entries
2010-08-18 06:24:41 -04:00
mpage.c
…
namei.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
namespace.c
BKL: Remove BKL from do_new_mount()
2010-10-04 21:10:43 +02:00
nfsctl.c
…
no-block.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
open.c
fs: cleanup files_lock locking
2010-08-18 08:35:47 -04:00
pipe.c
…
pnode.c
fs: brlock vfsmount_lock
2010-08-18 08:35:48 -04:00
pnode.h
…
posix_acl.c
…
read_write.c
vfs: make no_llseek the default
2010-10-15 15:53:46 +02:00
read_write.h
…
readdir.c
vfs: fix warning: 'dirent' is used uninitialized in this function
2010-08-09 20:45:05 -07:00
select.c
…
seq_file.c
…
signalfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
splice.c
splice: fix misuse of SPLICE_F_NONBLOCK
2010-08-07 18:52:56 +02:00
stack.c
…
stat.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
statfs.c
add f_flags to struct statfs(64)
2010-08-09 16:48:44 -04:00
super.c
fs: scale files_lock
2010-08-18 08:35:48 -04:00
sync.c
get rid of file_fsync()
2010-08-09 16:47:43 -04:00
timerfd.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
utimes.c
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
xattr_acl.c
…
xattr.c
…