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Matthew Wilcox b35df27a39 btrfs: fix race in btrfs_free_dummy_fs_info() 
We drop the lock which protects the radix tree, so we must call
radix_tree_iter_next() in order to avoid a modification to the tree
invalidating the iterator state.

Link: http://lkml.kernel.org/r/1480369871-5271-54-git-send-email-mawilcox@linuxonhyperv.com
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Tested-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Konstantin Khlebnikov <koct9i@gmail.com>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2016-12-14 16:04:10 -08:00
..
9p
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
adfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
affs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
afs
afs: call->operation_ID sometimes used as __be32 sometimes as u32
2016-10-13 17:03:52 +01:00
autofs4
autofs: refactor ioctl fn vector in iookup_dev_ioctl()
2016-10-11 15:06:31 -07:00
befs
befs fixes for 4.9-rc1
2016-10-15 12:09:13 -07:00
bfs
Merge remote-tracking branch 'ovl/rename2' into for-linus
2016-10-10 23:02:51 -04:00
btrfs
btrfs: fix race in btrfs_free_dummy_fs_info()
2016-12-14 16:04:10 -08:00
cachefiles
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
ceph
ceph: don't set req->r_locked_dir in ceph_d_revalidate
2016-12-08 14:32:16 +01:00
cifs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
coda
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
configfs
Merge remote-tracking branch 'ovl/rename2' into for-linus
2016-10-10 23:02:51 -04:00
cramfs
…
crypto
fscrypt: Rename FS_WRITE_PATH_FL to FS_CTX_HAS_BOUNCE_BUFFER_FL
2016-12-11 16:33:18 -05:00
debugfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
devpts
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
dlm
dlm for 4.10
2016-12-14 08:31:37 -08:00
ecryptfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
efivarfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
efs
…
exofs
fs: exofs: print a hex number after a 0x prefix
2016-10-27 18:43:43 -07:00
exportfs
exportfs: be careful to only return expected errors.
2016-10-06 09:07:44 -04:00
ext2
ext2: use iomap_zero_range() for zeroing truncated page in DAX path
2016-11-20 20:47:07 -05:00
ext4
This merge request includes the dax-4.0-iomap-pmd branch which is
2016-12-14 09:17:42 -08:00
f2fs
This merge request includes the dax-4.0-iomap-pmd branch which is
2016-12-14 09:17:42 -08:00
fat
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
freevxfs
…
fscache
…
fuse
fuse: fix clearing suid, sgid for chown()
2016-12-06 16:18:45 +01:00
gfs2
writeback: add wbc_to_write_flags()
2016-11-02 10:24:03 -06:00
hfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hfsplus
block,fs: use REQ_* flags directly
2016-11-01 09:43:26 -06:00
hostfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
hugetlbfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
isofs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
jbd2
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
jffs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
jfs
The jfs piece of the current_time() series.
2016-12-14 08:30:08 -08:00
kernfs
kernfs: Declare two local data structures static
2016-11-29 20:58:31 +01:00
lockd
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
logfs
fs: logfs: remove unnecesary check
2016-11-22 08:57:55 -07:00
minix
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
ncpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
nfs
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-11-26 23:42:21 -05:00
nfs_common
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
nfsd
netns: make struct pernet_operations::id unsigned int
2016-11-18 10:59:15 -05:00
nilfs2
block,fs: use REQ_* flags directly
2016-11-01 09:43:26 -06:00
nls
…
notify
fsnotify: clean up spinlock assertions
2016-10-07 18:46:26 -07:00
ntfs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
ocfs2
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
omfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
openpromfs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
orangefs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
overlayfs
ovl: fix d_real() for stacked fs
2016-11-29 10:20:24 +01:00
proc
xen: features and fixes for 4.10 rc0
2016-12-13 16:07:55 -08:00
pstore
Improvements and fixes to pstore subsystem:
2016-12-13 09:16:11 -08:00
qnx4
…
qnx6
…
quota
genetlink: mark families as __ro_after_init
2016-10-27 16:16:09 -04:00
ramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
reiserfs
mm: only include blk_types in swap.h if CONFIG_SWAP is enabled
2016-11-01 09:43:26 -06:00
romfs
…
squashfs
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
sysfs
Merge branch 'for-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2016-10-14 12:18:50 -07:00
sysv
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
tracefs
fs: Replace CURRENT_TIME with current_time() for inode timestamps
2016-09-27 21:06:21 -04:00
ubifs
ubifs: Fix regression in ubifs_readdir()
2016-10-28 14:48:31 +02:00
udf
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
ufs
block,fs: untangle fs.h and blk_types.h
2016-11-01 09:43:26 -06:00
xfs
This merge request includes the dax-4.0-iomap-pmd branch which is
2016-12-14 09:17:42 -08:00
aio.c
aio: fix freeze protection of aio writes
2016-10-30 13:09:42 -04:00
anon_inodes.c
…
attr.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
bad_inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
binfmt_aout.c
…
binfmt_elf_fdpic.c
elf_fdpic_transfer_args_to_stack(): make it generic
2016-07-25 16:51:49 +10:00
binfmt_elf.c
binfmt_elf: use vmalloc() for allocation of vma_filesz
2016-12-12 18:55:10 -08:00
binfmt_em86.c
fs/binfmt_em86.c: fix incompatible pointer type
2016-08-02 19:35:15 -04:00
binfmt_flat.c
binfmt_flat: allow compressed flat binary format to work on MMU systems
2016-07-28 13:29:12 +10:00
binfmt_misc.c
fs: Replace current_fs_time() with current_time()
2016-09-27 21:06:22 -04:00
binfmt_script.c
…
block_dev.c
block: protect iterate_bdevs() against concurrent close
2016-12-01 08:26:39 -07:00
buffer.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
char_dev.c
dax: define a unified inode/address_space for device-dax mappings
2016-08-23 22:58:51 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
fs: compat_ioctl: add pretimeout functions for watchdogs
2016-09-24 09:27:18 +02:00
compat.c
compat: remove compat_printk()
2016-09-27 21:20:53 -04:00
coredump.c
coredump: fix unfreezable coredumping task
2016-11-11 08:12:37 -08:00
dax.c
dax: clear dirty entry tags on cache flush
2016-12-14 16:04:09 -08:00
dcache.c
Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-08-07 10:01:14 -04:00
dcookies.c
…
direct-io.c
block: move poll code to blk-mq
2016-11-11 13:40:25 -07:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
…
exec.c
mm: add locked parameter to get_user_pages_remote()
2016-12-14 16:04:08 -08:00
fcntl.c
…
fhandle.c
…
file_table.c
…
file.c
fs/file: more unsigned file descriptors
2016-09-27 18:47:38 -04:00
filesystems.c
…
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
fs/fs-writeback.c: remove redundant if check
2016-12-12 18:55:08 -08:00
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
internal.h
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 13:04:49 -07:00
ioctl.c
vfs: cap dedupe request structure size at PAGE_SIZE
2016-09-15 13:29:52 -07:00
iomap.c
Merge branch 'dax-4.10-iomap-pmd' into origin
2016-11-13 22:02:15 -05:00
Kconfig
dax: remove "depends on BROKEN" from FS_DAX_PMD
2016-11-08 11:35:16 +11:00
Kconfig.binfmt
docs: fix locations of several documents that got moved
2016-10-24 08:12:35 -02:00
libfs.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
locks.c
locking, fs/locks: Add missing file_sem locks
2016-10-18 12:21:28 +02:00
Makefile
…
mbcache.c
mbcache: document that "find" functions only return reusable entries
2016-12-03 15:55:01 -05:00
mount.h
mnt: Add a per mount namespace limit on the number of mounts
2016-09-30 12:46:48 -05:00
mpage.c
writeback: add wbc_to_write_flags()
2016-11-02 10:24:03 -06:00
namei.c
Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-10-14 17:23:33 -07:00
namespace.c
This adds a new gcc plugin named "latent_entropy". It is designed to
2016-10-15 10:03:15 -07:00
no-block.c
…
nsfs.c
net: add an ioctl to get a socket network namespace
2016-10-31 10:56:36 -04:00
open.c
xfs: reflink update for 4.9-rc1
2016-10-13 20:28:22 -07:00
pipe.c
pipe: cap initial pipe capacity according to pipe-max-size limit
2016-10-11 15:06:32 -07:00
pnode.c
mnt: Add a per mount namespace limit on the number of mounts
2016-09-30 12:46:48 -05:00
pnode.h
mnt: Add a per mount namespace limit on the number of mounts
2016-09-30 12:46:48 -05:00
posix_acl.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-10-10 20:16:43 -07:00
proc_namespace.c
…
read_write.c
iov_iter: kernel-doc import_iovec() and rw_copy_check_uvector()
2016-10-14 20:00:34 -04:00
readdir.c
…
select.c
fs/select: add vmalloc fallback for select(2)
2016-10-11 15:06:30 -07:00
seq_file.c
seq/proc: modify seq_put_decimal_[u]ll to take a const char *, not char
2016-10-07 18:46:30 -07:00
signalfd.c
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splice.c
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
stack.c
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stat.c
…
statfs.c
…
super.c
fs/super.c: don't fool lockdep in freeze_super() and thaw_super() paths
2016-10-14 20:41:59 -04:00
sync.c
…
timerfd.c
…
userfaultfd.c
mm: join struct fault_env and vm_fault
2016-12-14 16:04:09 -08:00
utimes.c
Merge remote-tracking branch 'jk/vfs' into work.misc
2016-10-08 11:06:08 -04:00
xattr.c
xattr: Fix setting security xattrs on sockfs
2016-11-17 00:00:23 -05:00