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Alexandre Oliva 274bd4fb3e Btrfs: try cluster but don't advance in search list 
When we find an existing cluster, we switch to its block group as the
current block group, possibly skipping multiple blocks in the process.
Furthermore, under heavy contention, multiple threads may fail to
allocate from a cluster and then release just-created clusters just to
proceed to create new ones in a different block group.

This patch tries to allocate from an existing cluster regardless of its
block group, and doesn't switch to that group, instead proceeding to
try to allocate a cluster from the group it was iterating before the
attempt.

Signed-off-by: Alexandre Oliva <oliva@lsd.ic.unicamp.br>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
2011-12-08 08:55:40 -05:00
..
9p
fs/9p: Use protocol-defined value for lock/getlock 'type' field.
2011-09-06 08:17:16 -05:00
adfs
Fix common misspellings
2011-03-31 11:26:23 -03:00
affs
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
afs
AFS: Fix silly characters in a comment
2011-07-20 20:48:03 -04:00
autofs4
autofs4: fix debug printk warning uncovered by cleanup
2011-08-08 12:02:43 -07:00
befs
befs: Validate length of long symbolic links.
2011-08-17 13:31:24 -07:00
bfs
bfs: remove unnecessary dentry_unhash on dir rename
2011-05-28 01:02:50 -04:00
btrfs
Btrfs: try cluster but don't advance in search list
2011-12-08 08:55:40 -05:00
cachefiles
kill useless checks for sb->s_op == NULL
2011-07-20 01:44:21 -04:00
ceph
Merge branch 'for-linus' of git://ceph.newdream.net/git/ceph-client
2011-09-09 15:48:34 -07:00
cifs
[CIFS] Fix first time message on mount, ntlmv2 upgrade delayed to 3.2
2011-10-07 20:17:56 -05:00
coda
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
configfs
configfs: remove unnecessary dentry_unhash on rmdir, dir rename
2011-05-28 01:02:54 -04:00
cramfs
cramfs: get_cramfs_inode() returns ERR_PTR() on failure
2011-07-17 23:22:02 -04:00
debugfs
debugfs: move to new strtobool
2011-05-19 16:55:28 +09:30
devpts
fs/devpts/inode.c: correctly check d_alloc_name() return code in devpts_pty_new()
2011-03-22 17:44:17 -07:00
dlm
Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linux
2011-07-25 22:49:19 -07:00
ecryptfs
Ecryptfs: Add mount option to check uid of device being mounted = expect uid
2011-08-09 23:29:01 -05:00
efs
make d_splice_alias(ERR_PTR(err), dentry) = ERR_PTR(err)
2011-07-20 01:44:26 -04:00
exofs
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
2011-08-06 22:56:03 -07:00
exportfs
vfs: Add open by file handle support
2011-03-15 02:21:44 -04:00
ext2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2011-08-01 13:48:31 -10:00
ext3
block: separate priority boosting from REQ_META
2011-08-23 14:50:29 +02:00
ext4
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
2011-09-21 13:20:21 -07:00
fat
Merge git://git.kernel.org/pub/scm/linux/kernel/git/hirofumi/fatfs-2.6
2011-08-18 14:16:13 -07:00
freevxfs
treewide: fix a few typos in comments
2011-05-10 10:16:21 +02:00
fscache
FS-Cache: Fix __fscache_uncache_all_inode_pages()'s outer loop
2011-07-21 10:59:16 -07:00
fuse
fuse: fix memory leak
2011-09-12 11:47:10 -07:00
gfs2
block: separate priority boosting from REQ_META
2011-08-23 14:50:29 +02:00
hfs
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
hfsplus
hfsplus: fix filesystem size checks
2011-09-15 09:03:17 -07:00
hostfs
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
hpfs
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
hppfs
hppfs: missing include
2011-07-27 22:21:58 -04:00
hugetlbfs
lockdep: Add helper function for dir vs file i_mutex annotation
2011-08-25 10:50:18 -07:00
isofs
isofs: Remove global fs lock
2011-07-22 19:42:12 -04:00
jbd
jbd: Use WRITE_SYNC in journal checkpoint.
2011-06-28 00:06:41 +02:00
jbd2
jbd2: remove jbd2_dev_to_name() from jbd2 tracepoints
2011-07-10 22:05:08 -04:00
jffs2
switch posix_acl_equiv_mode() to umode_t *
2011-08-01 02:10:06 -04:00
jfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shaggy/jfs-2.6
2011-08-15 08:40:24 -07:00
lockd
Merge branch 'nfs-for-3.1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2011-07-27 13:23:02 -07:00
logfs
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
minix
minix_getattr(): don't bother with ->d_parent
2011-07-20 20:47:53 -04:00
ncpfs
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
nfs
VFS: Fix the remaining automounter semantics regressions
2011-09-26 19:16:46 -07:00
nfs_common
Fix common misspellings
2011-03-31 11:26:23 -03:00
nfsd
Merge branch 'for-3.1' of git://linux-nfs.org/~bfields/linux
2011-07-25 22:49:19 -07:00
nilfs2
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
nls
…
notify
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
ntfs
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
ocfs2
switch posix_acl_equiv_mode() to umode_t *
2011-08-01 02:10:06 -04:00
omfs
omfs: fix (mode & S_IFDIR) abuse
2011-07-26 13:05:28 -04:00
openpromfs
…
partitions
Merge branch 'for-linus' into for-3.1/core
2011-07-01 16:17:13 +02:00
proc
teach /proc/$pid/numa_maps about transparent hugepages
2011-09-21 13:15:44 -07:00
pstore
pstore: Allow the user to explicitly choose a backend
2011-07-22 16:14:39 -07:00
qnx4
…
quota
VFS: Fix the remaining automounter semantics regressions
2011-09-26 19:16:46 -07:00
ramfs
ramfs: fix memleak on no-mmu arch
2011-04-14 16:06:56 -07:00
reiserfs
switch posix_acl_equiv_mode() to umode_t *
2011-08-01 02:10:06 -04:00
romfs
romfs: fix romfs_get_unmapped_area() argument check
2011-06-27 18:00:12 -07:00
squashfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus
2011-07-25 22:50:35 -07:00
sysfs
->permission() sanitizing: don't pass flags to ->permission()
2011-07-20 01:43:24 -04:00
sysv
sysv: remove unnecessary dentry_unhash from rmdir, dir rename
2011-05-28 01:02:50 -04:00
ubifs
UBIFS: not build debug messages with CONFIG_UBIFS_FS_DEBUG disabled
2011-08-19 18:58:58 +03:00
udf
switch udf_ioctl() to inode_permission()
2011-07-20 01:43:07 -04:00
ufs
make d_splice_alias(ERR_PTR(err), dentry) = ERR_PTR(err)
2011-07-20 01:44:26 -04:00
xfs
xfs: revert to using a kthread for AIL pushing
2011-10-11 11:02:49 -05:00
aio.c
Merge branch 'for-2.6.39/core' of git://git.kernel.dk/linux-2.6-block
2011-03-24 10:16:26 -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
fs: move inode_dio_wait calls into ->setattr
2011-07-20 20:47:47 -04:00
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_fdpic.c
consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling
2011-07-20 01:43:10 -04:00
binfmt_elf.c
consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling
2011-07-20 01:43:10 -04:00
binfmt_em86.c
…
binfmt_flat.c
CRED: Fix load_flat_shared_library() to initialise bprm correctly
2011-05-03 10:10:51 +10:00
binfmt_misc.c
consolidate BINPRM_FLAGS_ENFORCE_NONDUMP handling
2011-07-20 01:43:10 -04:00
binfmt_script.c
…
binfmt_som.c
…
bio-integrity.c
block: Require subsystems to explicitly allocate bio_set integrity mempool
2011-03-17 11:11:05 +01:00
bio.c
block: improve the bio_add_page() and bio_add_pc_page() descriptions
2011-05-28 14:44:46 +02:00
block_dev.c
Avoid dereferencing a 'request_queue' after last close.
2011-09-10 17:20:21 +10:00
buffer.c
vfs: Fix data corruption after failed write in __block_write_begin()
2011-06-16 11:44:46 -04:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
compat_ioctl: add compat handler for PPPIOCGL2TPSTATS
2011-08-07 22:24:41 -07:00
compat.c
All Arch: remove linkage for sys_nfsservctl system call
2011-08-26 15:09:58 -07:00
dcache.c
vfs: renumber DCACHE_xyz flags, remove some stale ones
2011-08-06 22:52:40 -07:00
dcookies.c
oprofile, dcookies: Fix possible circular locking dependency
2011-05-31 16:33:35 +02:00
direct-io.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
drop_caches.c
vmscan: change shrinker API by passing shrink_control struct
2011-05-25 08:39:26 -07:00
eventfd.c
…
eventpoll.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
exec.c
move RLIMIT_NPROC check from set_user() to do_execve_common()
2011-08-11 11:24:42 -07:00
fcntl.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
fhandle.c
fs/fhandle.c: add <linux/personality.h> for ia64
2011-04-14 16:06:56 -07:00
fifo.c
Filesystem: fifo: Fixed coding style issue.
2011-03-21 00:16:09 -04:00
file_table.c
atomic: use <linux/atomic.h>
2011-07-26 16:49:47 -07:00
file.c
vfs: avoid large kmalloc()s for the fdtable
2011-04-28 11:28:20 -07:00
filesystems.c
fs: synchronize_rcu when unregister_filesystem success not failure
2011-04-17 10:42:01 -07:00
fs_struct.c
…
fs-writeback.c
don't busy retry the inode on failed grab_super_passive()
2011-07-31 22:52:08 +08:00
generic_acl.c
switch posix_acl_equiv_mode() to umode_t *
2011-08-01 02:10:06 -04:00
inode.c
lockdep: Add helper function for dir vs file i_mutex annotation
2011-08-25 10:50:18 -07:00
internal.h
superblock: move pin_sb_for_writeback() to fs/super.c
2011-07-20 01:44:38 -04:00
ioctl.c
vfs: cleanup do_vfs_ioctl()
2011-03-21 00:16:08 -04:00
ioprio.c
…
Kconfig
tmpfs: expand "help" to explain value of TMPFS_POSIX_ACL
2011-08-03 14:25:25 -10:00
Kconfig.binfmt
…
libfs.c
fix IN_DELETE_SELF on overwriting rename() on ramfs et.al.
2011-07-22 19:42:11 -04:00
locks.c
locks: rename lock-manager ops
2011-07-20 20:23:19 -04:00
Makefile
nfsd: Remove deprecated nfsctl system call and related code.
2011-07-15 18:58:42 -04:00
mbcache.c
vmscan: change shrinker API by passing shrink_control struct
2011-05-25 08:39:26 -07:00
mpage.c
mm/fs: add hooks to support cleancache
2011-05-26 10:01:43 -06:00
namei.c
vfs: remove LOOKUP_NO_AUTOMOUNT flag
2011-09-27 08:12:33 -07:00
namespace.c
VFS: Fix the remaining automounter semantics regressions
2011-09-26 19:16:46 -07:00
no-block.c
…
open.c
merge fchmod() and fchmodat() guts, kill ancient broken kludge
2011-07-26 15:07:43 -04:00
pipe.c
vfs: dont chain pipe/anon/socket on superblock s_inodes list
2011-07-26 12:57:09 -04:00
pnode.c
…
pnode.h
…
posix_acl.c
switch posix_acl_chmod() to umode_t
2011-08-01 02:10:32 -04:00
read_write.c
fs: add missing unlock in default_llseek()
2011-07-26 12:57:09 -04:00
read_write.h
…
readdir.c
…
select.c
select: remove unused MAX_SELECT_SECONDS
2011-03-21 00:16:08 -04:00
seq_file.c
…
signalfd.c
…
splice.c
tmpfs: clone shmem_file_splice_read()
2011-07-25 20:57:11 -07:00
stack.c
mm: a few small updates for radix-swap
2011-08-03 14:25:24 -10:00
stat.c
vfs: remove LOOKUP_NO_AUTOMOUNT flag
2011-09-27 08:12:33 -07:00
statfs.c
clean statfs-like syscalls up
2011-03-14 09:15:28 -04:00
super.c
Merge branch 'for-3.1/core' of git://git.kernel.dk/linux-block
2011-07-25 10:33:36 -07:00
sync.c
fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers
2011-07-20 20:47:59 -04:00
timerfd.c
timerfd: Fix wakeup of processes when timer is cancelled on clock change
2011-06-14 11:46:14 +02:00
utimes.c
userns: rename is_owner_or_cap to inode_owner_or_capable
2011-03-23 19:47:13 -07:00
xattr_acl.c
…
xattr.c
Cache xattr security drop check for write v2
2011-05-28 12:02:09 -04:00