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Josef Bacik fdf30d1c1b Btrfs: limit the global reserve to 512mb 
A user reported a problem where he was getting early ENOSPC with hundreds of
gigs of free data space and 6 gigs of free metadata space.  This is because the
global block reserve was taking up the entire free metadata space.  This is
ridiculous, we have infrastructure in place to throttle if we start using too
much of the global reserve, so instead of letting it get this huge just limit it
to 512mb so that users can still get work done.  This allowed the user to
complete his rsync without issues.  Thanks

Cc: stable@vger.kernel.org
Reported-and-tested-by: Stefan Priebe <s.priebe@profihost.ag>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
2013-03-28 09:51:29 -04:00
..
9p The following changes since commit 4cbe5a555f: 2012-10-12 09:59:23 +09:00
adfs adfs: drop vmtruncate 2012-12-20 14:00:01 -05:00
affs affs: drop vmtruncate 2012-12-20 14:00:01 -05:00
afs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
autofs4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-12-17 15:44:47 -08:00
befs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
bfs bfs: drop vmtruncate 2012-12-20 14:00:01 -05:00
btrfs Btrfs: limit the global reserve to 512mb 2013-03-28 09:51:29 -04:00
cachefiles FS-Cache: Mark cancellation of in-progress operation 2012-12-20 22:34:00 +00:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2012-12-20 14:00:13 -08:00
cifs fs/cifs/cifs_dfs_ref.c: fix potential memory leakage 2013-01-22 23:58:16 -06:00
coda fs: push rcu_barrier() from deactivate_locked_super() to filesystems 2012-10-02 21:35:55 -04:00
configfs lseek: the "whence" argument is called "whence" 2012-12-17 17:15:12 -08:00
cramfs userns: Convert cramfs to use kuid/kgid where appropriate 2012-09-21 03:13:08 -07:00
debugfs debugfs: convert gid= argument from decimal, not octal 2013-01-11 05:56:01 -08:00
devpts TTY: devpts, document devpts inode operations 2012-10-22 16:50:13 -07:00
dlm dlm: check the write size from user 2013-02-04 15:31:22 -06:00
ecryptfs fs/ecryptfs/crypto.c: make ecryptfs_encode_for_filename() static 2012-12-18 10:10:13 -06:00
efs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
exofs exofs: don't leak io_state and pages on read error 2012-12-14 12:17:32 +02:00
exportfs Merge branch 'for-3.8' of git://linux-nfs.org/~bfields/linux 2012-12-20 14:04:11 -08:00
ext2 ext2: fix return values on parse_options() failure 2012-10-09 23:23:53 +02:00
ext3 lseek: the "whence" argument is called "whence" 2012-12-17 17:15:12 -08:00
ext4 ext4: remove duplicate call to ext4_bread() in ext4_init_new_dir() 2013-01-06 23:40:25 -05:00
f2fs f2fs: use _safe() version of list_for_each 2013-01-22 10:49:00 +09:00
fat fat: fix incorrect function comment 2012-12-20 17:40:20 -08:00
freevxfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
fscache FS-Cache: Clear remaining page count on retrieval cancellation 2012-12-20 22:35:15 +00:00
fuse fuse: remove unused variable in fuse_try_move_page() 2013-01-17 13:09:59 +01:00
gfs2 GFS2: fix skip unlock condition 2013-01-28 09:49:15 +00:00
hfs hfs: drop vmtruncate 2012-12-20 14:00:01 -05:00
hfsplus Merge branch 'akpm' (Andrew's patch-bomb) 2012-12-20 20:00:43 -08:00
hostfs Merge branch 'for-linus-37rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/uml 2012-10-10 11:15:20 +09:00
hpfs hpfs: drop vmtruncate 2012-12-20 18:40:00 -05:00
hppfs pidns: Use task_active_pid_ns where appropriate 2012-11-19 05:59:09 -08:00
hugetlbfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2012-12-13 12:00:02 -08:00
isofs tmpfs,ceph,gfs2,isofs,reiserfs,xfs: fix fh_len checking 2012-10-09 23:33:55 -04:00
jbd jbd: don't wake kjournald unnecessarily 2013-01-14 22:50:45 +01:00
jbd2 Various bug fixes for ext4. Perhaps the most serious bug fixed is one 2013-01-02 09:57:34 -08:00
jffs2 jffs2: hold erase_completion_lock on exit 2012-11-18 11:59:01 +02:00
jfs jfs: drop vmtruncate 2012-12-20 18:40:52 -05:00
lockd lockd: Remove BUG_ON()s from fs/lockd/clntproc.c 2012-11-04 14:43:40 -05:00
logfs logfs: drop vmtruncate 2012-12-20 18:40:53 -05:00
minix minix: drop vmtruncate 2012-12-20 18:40:53 -05:00
ncpfs ncpfs: drop vmtruncate 2012-12-20 18:40:54 -05:00
nfs NFSv4.1: Handle NFS4ERR_DELAY when resetting the NFSv4.1 session 2013-01-30 17:45:15 -05:00
nfs_common
nfsd Revert "nfsd: warn on odd reply state in nfsd_vfs_read" 2012-12-21 17:07:45 -08:00
nilfs2 nilfs2: fix fix very long mount time issue 2013-02-05 20:38:46 +11:00
nls nls: fix (and rename) mac NLS table files and config options 2012-06-01 19:51:22 -07:00
notify Merge branch 'for-next' of git://git.infradead.org/users/eparis/notify 2012-12-20 20:11:52 -08:00
ntfs ntfs: drop vmtruncate 2012-12-20 18:40:55 -05:00
ocfs2 ocfs2: drop vmtruncate 2012-12-20 14:00:01 -05:00
omfs omfs: drop vmtruncate 2012-12-20 14:00:01 -05:00
openpromfs fs: push rcu_barrier() from deactivate_locked_super() to filesystems 2012-10-02 21:35:55 -04:00
proc mempolicy: remove arg from mpol_parse_str, mpol_to_str 2013-01-02 09:27:10 -08:00
pstore pstore: remove __dev* attributes. 2013-01-03 15:57:14 -08:00
qnx4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
qnx6 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
quota quota: Use the pre-processor to compile out quotactl_cmd_write when !CONFIG_BLOCK 2012-12-13 16:33:24 +01:00
ramfs don't pass nameidata to ->create() 2012-07-14 16:34:47 +04:00
reiserfs reiserfs: drop vmtruncate 2012-12-20 14:00:01 -05:00
romfs fs: push rcu_barrier() from deactivate_locked_super() to filesystems 2012-10-02 21:35:55 -04:00
squashfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-10-02 20:25:04 -07:00
sysfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2012-12-17 15:44:47 -08:00
sysv sysv: drop vmtruncate 2012-12-20 14:00:01 -05:00
ubifs ubifs: use prandom_bytes 2012-12-17 17:15:26 -08:00
udf UDF: Fix a null pointer dereference in udf_sb_free_partitions 2013-01-14 22:53:47 +01:00
ufs ufs: drop vmtruncate 2012-12-20 14:00:01 -05:00
xfs xfs: Fix xfs_swap_extents() after removal of xfs_flushinval_pages() 2013-01-28 16:05:10 -06:00
aio.c aio: now fput() is OK from interrupt context; get rid of manual delayed __fput() 2012-07-22 23:57:59 +04:00
anon_inodes.c
attr.c userns: Allow chown and setgid preservation 2012-11-20 04:17:24 -08:00
bad_inode.c lseek: the "whence" argument is called "whence" 2012-12-17 17:15:12 -08:00
binfmt_aout.c get rid of pt_regs argument of ->load_binary() 2012-11-28 21:53:38 -05:00
binfmt_elf_fdpic.c get rid of pt_regs argument of ->load_binary() 2012-11-28 21:53:38 -05:00
binfmt_elf.c binfmt_elf: fix corner case kfree of uninitialized data 2012-12-17 17:15:19 -08:00
binfmt_em86.c exec: use -ELOOP for max recursion depth 2012-12-17 17:15:23 -08:00
binfmt_flat.c get rid of pt_regs argument of ->load_binary() 2012-11-28 21:53:38 -05:00
binfmt_misc.c exec: do not leave bprm->interp on stack 2012-12-20 17:40:19 -08:00
binfmt_script.c exec: do not leave bprm->interp on stack 2012-12-20 17:40:19 -08:00
binfmt_som.c get rid of pt_regs argument of ->load_binary() 2012-11-28 21:53:38 -05:00
bio-integrity.c block: Ues bi_pool for bio_integrity_alloc() 2012-09-09 10:35:38 +02:00
bio.c vfs: fix: don't increase bio_slab_max if krealloc() fails 2012-10-22 22:00:26 +02:00
block_dev.c lseek: the "whence" argument is called "whence" 2012-12-17 17:15:12 -08:00
buffer.c vfs: add missing virtual cache flush after editing partial pages 2013-01-14 13:17:50 -08:00
char_dev.c char_dev: pin parent kobject 2012-10-22 08:50:37 +03:00
compat_binfmt_elf.c coredump: extend core dump note section to contain file names of mapped files 2012-10-06 03:05:17 +09:00
compat_ioctl.c Merge 3.7-rc3 into tty-next 2012-10-29 09:00:57 -07:00
compat.c vfs: define struct filename and have getname() return it 2012-10-12 20:14:55 -04:00
coredump.c do_coredump(): get rid of pt_regs argument 2012-11-29 00:01:25 -05:00
coredump.h coredump: update coredump-related headers 2012-10-06 03:05:15 +09:00
dcache.c vfs: d_obtain_alias() needs to use "/" as default name. 2012-12-20 18:49:10 -05:00
dcookies.c
direct-io.c direct-io: don't read inode->i_blkbits multiple times 2012-11-29 12:38:44 -08:00
drop_caches.c
eventfd.c fs, eventfd: add procfs fdinfo helper 2012-12-17 17:15:27 -08:00
eventpoll.c epoll: prevent missed events on EPOLL_CTL_MOD 2013-01-02 09:16:43 -08:00
exec.c fs/exec.c: work around icc miscompilation 2013-01-11 14:54:55 -08:00
fcntl.c Fix F_DUPFD_CLOEXEC breakage 2012-10-09 15:52:31 +09:00
fhandle.c Merge branch 'for-3.8' of git://linux-nfs.org/~bfields/linux 2012-12-20 14:04:11 -08:00
fifo.c fifo: Do not restart open() if it already found a partner 2012-07-16 08:33:14 -07:00
file_table.c fs: Fix imbalance in freeze protection in mark_files_ro() 2012-12-20 13:57:36 -05:00
file.c misc: remove __dev* attributes. 2013-01-03 15:57:16 -08:00
filesystems.c vfs: define struct filename and have getname() return it 2012-10-12 20:14:55 -04:00
fs_struct.c kill daemonize() 2012-11-28 21:49:02 -05:00
fs-writeback.c writeback: fix a typo in comment 2012-12-12 17:38:34 -08:00
generic_acl.c userns: Pass a userns parameter into posix_acl_to_xattr and posix_acl_from_xattr 2012-09-18 01:01:35 -07:00
inode.c mm: redefine address_space.assoc_mapping 2012-12-11 17:22:26 -08:00
internal.h writeback: put unused inodes to LRU after writeback completion 2012-11-26 17:41:24 -08:00
ioctl.c switch simple cases of fget_light to fdget 2012-09-26 22:20:08 -04:00
ioprio.c Merge branch 'for-3.5/core' of git://git.kernel.dk/linux-block 2012-05-30 08:52:42 -07:00
Kconfig fuse: Move CUSE Kconfig entry from fs/Kconfig into fs/fuse/Kconfig 2013-01-17 13:08:45 +01:00
Kconfig.binfmt coredump: make core dump functionality optional 2012-10-06 03:05:15 +09:00
libfs.c vfs: drop vmtruncate 2012-12-20 18:46:29 -05:00
locks.c UAPI Disintegration 2012-10-09 2012-10-09 18:35:22 -04:00
Makefile f2fs: update Kconfig and Makefile 2012-12-11 13:43:42 +09:00
mbcache.c
mount.h proc: Usable inode numbers for the namespace file descriptors. 2012-11-20 04:19:49 -08:00
mpage.c
namei.c vfs: fix renameat to retry on ESTALE errors 2012-12-20 18:50:05 -05:00
namespace.c vfs, freeze: use ACCESS_ONCE() to guard access to ->mnt_flags 2012-12-20 13:36:18 -05:00
no-block.c
open.c vfs: make fchownat retry once on ESTALE errors 2012-12-20 18:50:07 -05:00
pipe.c pipe(2) - race-free error recovery 2012-09-26 21:08:52 -04:00
pnode.c VFS: Make clone_mnt()/copy_tree()/collect_mounts() return errors 2012-07-14 16:37:27 +04:00
pnode.h vfs: Only support slave subtrees across different user namespaces 2012-11-19 05:59:20 -08:00
posix_acl.c userns: Convert vfs posix_acl support to use kuids and kgids 2012-09-18 01:01:35 -07:00
proc_namespace.c get rid of magic in proc_namespace.c 2012-07-14 16:32:48 +04:00
read_write.c sendfile: allows bypassing of notifier events 2012-12-20 17:40:21 -08:00
read_write.h compat: fs: Generic compat_sys_sendfile implementation 2012-10-02 21:35:55 -04:00
readdir.c switch simple cases of fget_light to fdget 2012-09-26 22:20:08 -04:00
select.c switch simple cases of fget_light to fdget 2012-09-26 22:20:08 -04:00
seq_file.c seq_file: fix new kernel-doc warnings 2013-01-10 14:35:24 -08:00
signalfd.c fs, epoll: add procfs fdinfo helper 2012-12-17 17:15:27 -08:00
splice.c tcp: fix MSG_SENDPAGE_NOTLAST logic 2013-01-06 20:58:13 -08:00
stack.c
stat.c vfs: fix readlinkat to retry on ESTALE 2012-12-20 18:50:01 -05:00
statfs.c vfs: fix user_statfs to retry once on ESTALE errors 2012-12-20 18:50:07 -05:00
super.c vfs: drop lock/unlock super 2012-10-09 23:33:39 -04:00
sync.c switch simple cases of fget_light to fdget 2012-09-26 22:20:08 -04:00
timerfd.c switch simple cases of fget_light to fdget 2012-09-26 22:20:08 -04:00
utimes.c vfs: allow utimensat() calls to retry once on an ESTALE error 2012-12-20 18:50:08 -05:00
xattr_acl.c userns: Fix posix_acl_file_xattr_userns gid conversion 2012-10-12 13:16:48 -07:00
xattr.c vfs: make lremovexattr retry once on ESTALE error 2012-12-20 18:50:11 -05:00