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Yongqiang Yang 19c5246d25 ext4: add new online resize interface 
This patch adds new online resize interface, whose input argument is a
64-bit integer indicating how many blocks there are in the resized fs.

In new resize impelmentation, all work like allocating group tables
are done by kernel side, so the new resize interface can support
flex_bg feature and prepares ground for suppoting resize with features
like bigalloc and exclude bitmap. Besides these, user-space tools just
passes in the new number of blocks.

We delay initializing the bitmaps and inode tables of added groups if
possible and add multi groups (a flex groups) each time, so new resize
is very fast like mkfs.

Signed-off-by: Yongqiang Yang <xiaoqiangnk@gmail.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
2012-01-04 17:09:44 -05:00
..
9p filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
adfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
affs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
afs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
autofs4 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
befs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
bfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
btrfs Merge branches 'for-linus' and 'for-linus-3.2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2011-12-16 12:15:50 -08:00
cachefiles kill useless checks for sb->s_op == NULL 2011-07-20 01:44:21 -04:00
ceph ceph: add missing spin_unlock at ceph_mdsc_build_path() 2011-12-13 11:59:53 -08:00
cifs cifs: check for NULL last_entry before calling cifs_save_resume_key 2011-12-08 22:04:47 -06:00
coda filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
configfs configfs: register_filesystem() called too early 2011-12-13 12:35:15 -05:00
cramfs cramfs: get_cramfs_inode() returns ERR_PTR() on failure 2011-07-17 23:22:02 -04:00
debugfs debugfs: Fix a comment mistake 2011-08-22 17:41:48 -07:00
devpts filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
dlm Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linux 2011-07-25 22:49:19 -07:00
ecryptfs eCryptfs: Extend array bounds for all filename chars 2011-11-23 15:43:53 -06:00
efs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
exofs Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
exportfs
ext2 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue 2011-11-02 11:41:01 -07:00
ext3 Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue 2011-11-02 11:41:01 -07:00
ext4 ext4: add new online resize interface 2012-01-04 17:09:44 -05:00
fat filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
freevxfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
fscache FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop 2011-07-21 10:59:16 -07:00
fuse Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 2011-12-14 18:23:35 -08:00
gfs2 Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
hfs hfs: add sanity check for file name length 2011-11-15 14:29:42 -02:00
hfsplus filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hostfs Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue 2011-11-02 11:41:01 -07:00
hpfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hppfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hugetlbfs filesystems: add missing nlink wrappers 2011-11-02 12:53:43 +01:00
isofs Merge branch 'akpm' (Andrew's incoming - part two) 2011-11-02 16:07:27 -07:00
jbd jbd/jbd2: validate sb->s_first in journal_get_superblock() 2011-11-01 19:04:59 -04:00
jbd2 jbd2: clear revoked flag on buffers before a new transaction started 2011-12-28 17:46:46 -05:00
jffs2 Merge git://git.infradead.org/mtd-2.6 2011-11-07 09:11:16 -08:00
jfs Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
lockd SUNRPC: Replace svc_addr_u by sockaddr_storage 2011-09-14 08:21:48 -04:00
logfs Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
minix minixfs: kill manual hweight(), simplify 2011-11-19 11:13:28 -05:00
ncpfs fs/ncpfs: fix error paths and goto statements in ncp_fill_super() 2011-12-14 00:45:33 -05:00
nfs Merge branch 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/linux-nfs 2011-11-22 08:54:15 -08:00
nfs_common
nfsd Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
nilfs2 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
nls
notify atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
ntfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ocfs2 Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec/ocfs2 2011-12-01 14:55:34 -08:00
omfs omfs: fix (mode & S_IFDIR) abuse 2011-07-26 13:05:28 -04:00
openpromfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
partitions treewide: use __printf not __attribute__((format(printf,...))) 2011-10-31 17:30:54 -07:00
proc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2011-12-14 18:22:55 -08:00
pstore pstore: pass allocated memory region back to caller 2011-11-17 12:58:07 -08:00
qnx4 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
quota Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux 2011-11-06 19:02:23 -08:00
ramfs ramfs: remove module leftovers 2011-11-02 16:06:58 -07:00
reiserfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
romfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
squashfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-next 2011-11-04 16:48:37 -07:00
sysfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
sysv filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ubifs ubifs: too early register_filesystem() 2011-12-13 12:35:13 -05:00
udf Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/vfs-queue 2011-11-02 11:41:01 -07:00
ufs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
xfs xfs: fix the logspace waiting algorithm 2011-12-06 14:19:47 -06:00
aio.c aio: allocate kiocbs in batches 2011-11-02 16:07:03 -07:00
anon_inodes.c vfs: dont chain pipe/anon/socket on superblock s_inodes list 2011-07-26 12:57:09 -04:00
attr.c Merge branch 'next-evm' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/ima-2.6 into next 2011-08-09 10:31:03 +10:00
bad_inode.c fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers 2011-07-20 20:47:59 -04:00
binfmt_aout.c
binfmt_elf.c binfmt_elf: fix PIE execution with randomization disabled 2011-11-02 16:06:58 -07:00
binfmt_elf_fdpic.c consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling 2011-07-20 01:43:10 -04:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c filesystems: add missing nlink wrappers 2011-11-02 12:53:43 +01:00
binfmt_script.c
binfmt_som.c
bio-integrity.c fs: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macros 2011-10-31 19:30:31 -04:00
bio.c bio: change some signed vars to unsigned 2011-11-16 09:21:50 +01:00
block_dev.c Merge branch 'for-3.2/drivers' of git://git.kernel.dk/linux-block 2011-11-04 17:22:14 -07:00
buffer.c Merge branch 'writeback-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/wfg/linux 2011-11-06 19:02:23 -08:00
char_dev.c
compat.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
compat_binfmt_elf.c
compat_ioctl.c compat_ioctl: add compat handler for PPPIOCGL2TPSTATS 2011-08-07 22:24:41 -07:00
dcache.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-06 23:57:18 -05:00
dcookies.c
direct-io.c direct-io: merge direct_io_walker into __blockdev_direct_IO 2011-10-28 14:58:58 +02:00
drop_caches.c
eventfd.c
eventpoll.c epoll: fix spurious lockdep warnings 2011-10-31 17:30:57 -07:00
exec.c oom: remove oom_disable_count 2011-10-31 17:30:45 -07:00
fcntl.c
fhandle.c
fifo.c
file.c
file_table.c atomic: use <linux/atomic.h> 2011-07-26 16:49:47 -07:00
filesystems.c
fs-writeback.c writeback: Fix issue on make htmldocs 2011-11-29 15:50:28 +08:00
fs_struct.c
generic_acl.c switch posix_acl_equiv_mode() to umode_t * 2011-08-01 02:10:06 -04:00
inode.c vfs: protect i_nlink 2011-11-02 12:53:43 +01:00
internal.h superblock: move pin_sb_for_writeback() to fs/super.c 2011-07-20 01:44:38 -04:00
ioctl.c
ioprio.c fs: add export.h to files using EXPORT_SYMBOL/THIS_MODULE macros 2011-10-31 19:30:31 -04:00
Kconfig tmpfs: add "tmpfs" to the Kconfig prompt to make it obvious. 2011-10-31 17:30:45 -07:00
Kconfig.binfmt
libfs.c filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
locks.c Merge branch 'for-3.2' of git://linux-nfs.org/~bfields/linux 2011-10-25 15:42:01 +02:00
Makefile fs/Makefile: Stupid typo breakage of exofs inclusion 2011-10-27 08:36:51 +02:00
mbcache.c
mpage.c
namei.c VFS: we need to set LOOKUP_JUMPED on mountpoint crossing 2011-11-07 14:58:06 -08:00
namespace.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-06 23:57:18 -05:00
no-block.c
open.c leases: fix write-open/read-lease race 2011-10-28 14:59:00 +02:00
pipe.c fs/pipe.c: add ->statfs callback for pipefs 2011-10-31 17:30:51 -07:00
pnode.c
pnode.h
posix_acl.c vfs: pass all mask flags check_acl and posix_acl_permission 2011-10-28 14:58:54 +02:00
read_write.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
read_write.h
readdir.c
select.c
seq_file.c fix apparmor dereferencing potentially freed dentry, sanitize __d_path() API 2011-12-06 23:57:18 -05:00
signalfd.c
splice.c tmpfs: clone shmem_file_splice_read() 2011-07-25 20:57:11 -07:00
stack.c filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
stat.c readlinkat: ensure we return ENOENT for the empty pathname for normal lookups 2011-11-02 12:53:42 +01:00
statfs.c VFS: fix statfs() automounter semantics regression 2011-11-04 18:15:59 -07:00
super.c vfs: ignore error on forced remount 2011-11-02 12:53:42 +01:00
sync.c writeback: Add a 'reason' to wb_writeback_work 2011-10-31 00:33:36 +08:00
timerfd.c
utimes.c
xattr.c evm: evm_inode_post_removexattr 2011-07-18 12:29:43 -04:00
xattr_acl.c