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73ff61dbe5edeb1799d7e91c8b0641f87feb75fa
linux/fs
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Omar Sandoval 73ff61dbe5 Btrfs: fix device replace of a missing RAID 5/6 device 
The original implementation of device replace on RAID 5/6 seems to have
missed support for replacing a missing device. When this is attempted,
we end up calling bio_add_page() on a bio with a NULL ->bi_bdev, which
crashes when we try to dereference it. This happens because
btrfs_map_block() has no choice but to return us the missing device
because RAID 5/6 don't have any alternate mirrors to read from, and a
missing device has a NULL bdev.

The idea implemented here is to handle the missing device case
separately, which better only happen when we're replacing a missing RAID
5/6 device. We use the new BTRFS_RBIO_REBUILD_MISSING operation to
reconstruct the data from parity, check it with
scrub_recheck_block_checksum(), and write it out with
scrub_write_block_to_dev_replace().

Reported-by: Philip <bugzilla@philip-seeger.de>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=96141
Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
2015-08-09 07:34:26 -07:00
..
9p
9p: don't leave a half-initialized inode sitting around
2015-07-12 11:22:05 -04:00
adfs
fs/adfs: remove unneeded cast
2015-06-30 19:44:57 -07:00
affs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
afs
net: Add a struct net parameter to sock_create_kern
2015-05-11 10:50:17 -04:00
autofs4
make simple_positive() public
2015-06-23 18:02:01 -04:00
befs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
bfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-04-26 17:22:07 -07:00
btrfs
Btrfs: fix device replace of a missing RAID 5/6 device
2015-08-09 07:34:26 -07:00
cachefiles
Merge branch 'fscache-fixes' into for-next
2015-06-23 18:01:30 -04:00
ceph
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
cifs
cifs: Unset CIFS_MOUNT_POSIX_PATHS flag when following dfs mounts
2015-06-29 14:50:22 -05:00
coda
fs: cleanup slight list_entry abuse
2015-06-23 18:01:59 -04:00
configfs
configfs: fix kernel infoleak through user-controlled format string
2015-07-17 16:39:53 -07:00
cramfs
fs/cramfs/inode.c: use linux/uaccess.h
2014-08-08 15:57:25 -07:00
debugfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
devpts
devpts: if initialization failed, don't crash when opening /dev/ptmx
2015-06-30 19:44:58 -07:00
dlm
net: Add a struct net parameter to sock_create_kern
2015-05-11 10:50:17 -04:00
ecryptfs
ioctl_compat: handle FITRIM
2015-07-09 11:42:21 -07:00
efivarfs
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-05-06 10:57:37 -07:00
efs
fs/efs: femove unneeded cast
2015-06-25 17:00:42 -07:00
exofs
pagemap.h: move dir_pages() over there
2015-06-23 18:02:00 -04:00
exportfs
VFS: (Scripted) Convert S_ISLNK/DIR/REG(dentry->d_inode) to d_is_*(dentry)
2015-02-22 11:38:41 -05:00
ext2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
ext3
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2015-06-24 20:07:10 -07:00
ext4
ioctl_compat: handle FITRIM
2015-07-09 11:42:21 -07:00
f2fs
f2fs: call set_page_dirty to attach i_wb for cgroup
2015-07-25 08:54:26 -07:00
fat
writeback: separate out include/linux/backing-dev-defs.h
2015-06-02 08:33:34 -06:00
freevxfs
pagemap.h: move dir_pages() over there
2015-06-23 18:02:00 -04:00
fscache
FS-Cache: Retain the netfs context in the retrieval op earlier
2015-04-02 14:28:53 +01:00
fuse
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
gfs2
Merge tag 'gfs2-merge-window' of git://git.kernel.org:/pub/scm/linux/kernel/git/gfs2/linux-gfs2
2015-06-27 09:47:46 -07:00
hfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
hfsplus
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
hostfs
Merge branch 'for-linus-1' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-06-22 12:51:21 -07:00
hpfs
hpfs: hpfs_error: Remove static buffer, use vsprintf extension %pV instead
2015-07-09 13:35:31 -07:00
hugetlbfs
mm/hugetlb: reduce arch dependent code about hugetlb_prefault_arch_hook
2015-06-24 17:49:41 -07:00
isofs
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
jbd
jbd: Deletion of an unnecessary check before the function call "iput"
2014-11-18 10:15:29 +01:00
jbd2
Revert "jbd2: speedup jbd2_journal_dirty_metadata()"
2015-06-27 09:41:50 -07:00
jffs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
jfs
Merge tag 'jfs-4.2' of git://github.com/kleikamp/linux-shaggy
2015-07-16 16:28:28 -07:00
kernfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2015-07-03 15:20:57 -07:00
lockd
nfsd: eliminate NFSD_DEBUG
2015-04-21 16:16:02 -04:00
logfs
logfs: fix a pagecache leak for symlinks
2015-05-10 22:18:28 -04:00
minix
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
ncpfs
ncpfs: successful rename() should invalidate caches for parents
2015-06-14 11:31:39 -04:00
nfs
Merge tag 'nfs-for-4.2-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
2015-07-28 09:37:44 -07:00
nfs_common
lockd: move lockd's grace period handling into its own module
2014-09-17 16:33:11 -04:00
nfsd
nfsd: wrap too long lines in nfsd4_encode_read
2015-06-22 14:15:05 -04:00
nilfs2
ioctl_compat: handle FITRIM
2015-07-09 11:42:21 -07:00
nls
…
notify
Revert "fsnotify: fix oops in fsnotify_clear_marks_by_group_flags()"
2015-07-21 16:06:53 -07:00
ntfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
ocfs2
ioctl_compat: handle FITRIM
2015-07-09 11:42:21 -07:00
omfs
omfs: fix potential integer overflow in allocator
2015-05-28 18:25:19 -07:00
openpromfs
…
overlayfs
fix a braino in ovl_d_select_inode()
2015-07-12 11:22:05 -04:00
proc
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-07-18 10:49:57 -07:00
pstore
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2015-07-03 15:20:57 -07:00
qnx4
…
qnx6
pagemap.h: move dir_pages() over there
2015-06-23 18:02:00 -04:00
quota
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-04-26 17:22:07 -07:00
ramfs
VFS: normal filesystems (and lustre): d_inode() annotations
2015-04-15 15:06:57 -04:00
reiserfs
Merge branch 'akpm' (patches from Andrew)
2015-06-26 09:52:05 -07:00
romfs
make new_sync_{read,write}() static
2015-04-11 22:29:40 -04:00
squashfs
fs: cleanup slight list_entry abuse
2015-06-23 18:01:59 -04:00
sysfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2015-07-03 15:20:57 -07:00
sysv
pagemap.h: move dir_pages() over there
2015-06-23 18:02:00 -04:00
tracefs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
ubifs
Merge tag 'upstream-4.2-rc1' of git://git.infradead.org/linux-ubifs
2015-06-25 14:11:34 -07:00
udf
udf: Don't corrupt unalloc spacetable when writing it
2015-07-09 16:38:57 +02:00
ufs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
xfs
xfs: remote attributes need to be considered data
2015-07-29 11:48:02 +10:00
aio.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-04-16 23:27:56 -04:00
anon_inodes.c
…
attr.c
…
bad_inode.c
don't bother with most of the bad_file_ops methods
2015-02-20 04:03:58 -05:00
binfmt_aout.c
assorted conversions to %p[dD]
2014-11-19 13:01:20 -05:00
binfmt_elf_fdpic.c
handle suicide on late failure exits in execve() in search_binary_handler()
2014-10-09 02:39:00 -04:00
binfmt_elf.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
binfmt_em86.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
binfmt_flat.c
…
binfmt_misc.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-04-26 17:22:07 -07:00
binfmt_script.c
syscalls: implement execveat() system call
2014-12-13 12:42:51 -08:00
block_dev.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
buffer.c
buffer: remove unusued 'ret' variable
2015-06-02 09:22:34 -06:00
char_dev.c
fs: introduce f_op->mmap_capabilities for nommu mmap support
2015-01-20 14:02:58 -07:00
compat_binfmt_elf.c
…
compat_ioctl.c
ioctl_compat: handle FITRIM
2015-07-09 11:42:21 -07:00
compat.c
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
coredump.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
dax.c
xfs: call dax_fault on read page faults for DAX
2015-07-29 11:48:00 +10:00
dcache.c
freeing unlinked file indefinitely delayed
2015-07-12 11:27:04 -04:00
dcookies.c
…
direct-io.c
direct-io: only inc/dec inode->i_dio_count for file systems
2015-04-24 15:45:28 -04:00
drop_caches.c
vmscan: per memory cgroup slab shrinkers
2015-02-12 18:54:09 -08:00
eventfd.c
eventfd: don't take the spinlock in eventfd_poll
2015-02-17 14:34:52 -08:00
eventpoll.c
epoll: optimize setting task running after blocking
2015-02-13 21:21:40 -08:00
exec.c
parisc,metag: Fix crashes due to stack randomization on stack-grows-upwards architectures
2015-05-12 22:03:44 +02:00
fcntl.c
vfs: renumber FMODE_NONOTIFY and add to uniqueness check
2015-01-08 15:10:52 -08:00
fhandle.c
vfs: read file_handle only once in handle_to_path
2015-06-02 10:29:07 -07:00
file_table.c
remove the pointless include of lglock.h
2015-06-23 18:02:00 -04:00
file.c
fs/file.c: __fget() and dup2() atomicity rules
2015-07-01 02:31:08 -04:00
filesystems.c
…
fs_pin.c
fs_pin: Allow for the possibility that m_list or s_list go unused.
2015-04-09 11:39:55 -05:00
fs_struct.c
…
fs-writeback.c
block: export bio_associate_*() and wbc_account_io()
2015-07-23 13:36:44 -06:00
inode.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
internal.h
overlayfs: Make f_path always point to the overlay and f_inode to the underlay
2015-06-19 03:19:32 -04:00
ioctl.c
fsioctl.c: make generic_block_fiemap() signal-tolerant
2015-02-10 14:30:30 -08:00
Kconfig
f2fs: relocate Kconfig from misc filesystems
2015-04-10 15:08:35 -07:00
Kconfig.binfmt
mm: split ET_DYN ASLR from mmap ASLR
2015-04-14 16:49:05 -07:00
libfs.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
locks.c
locks: inline posix_lock_file_wait and flock_lock_file_wait
2015-07-13 06:29:11 -04:00
Makefile
um: Remove hppfs
2015-05-31 13:23:08 +02:00
mbcache.c
…
mount.h
fs: use seq_open_private() for proc_mounts
2015-06-30 19:44:56 -07:00
mpage.c
writeback: implement foreign cgroup inode detection
2015-06-02 08:40:20 -06:00
namei.c
link_path_walk(): be careful when failing with ENOTDIR
2015-08-01 20:18:38 -04:00
namespace.c
mnt: In detach_mounts detach the appropriate unmounted mount
2015-07-23 11:31:15 -05:00
no-block.c
…
nsfs.c
VFS: assorted weird filesystems: d_inode() annotations
2015-04-15 15:06:58 -04:00
open.c
fs: Call security_ops->inode_killpriv on truncate
2015-06-23 18:01:09 -04:00
pipe.c
VFS: assorted weird filesystems: d_inode() annotations
2015-04-15 15:06:58 -04:00
pnode.c
mnt: Don't propagate unmounts to locked mounts
2015-04-02 20:34:20 -05:00
pnode.h
mnt: Clarify and correct the disconnect logic in umount_tree
2015-07-22 20:33:27 -05:00
posix_acl.c
fs/posix_acl.c: make posix_acl_create() safer and cleaner
2015-06-23 18:01:07 -04:00
proc_namespace.c
fs: use seq_open_private() for proc_mounts
2015-06-30 19:44:56 -07:00
read_write.c
new_sync_write(): discard ->ki_pos unless the return value is positive
2015-04-11 22:29:46 -04:00
readdir.c
vfs: make first argument of dir_context.actor typed
2014-10-31 17:48:54 -04:00
select.c
locking/arch: Rename set_mb() to smp_store_mb()
2015-05-19 08:32:00 +02:00
seq_file.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2015-07-04 19:36:06 -07:00
signalfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
splice.c
Merge branch 'akpm' (patches from Andrew)
2015-06-24 20:47:21 -07:00
stack.c
fs: fix comment for 'CONFIG_LBADF'
2014-08-26 09:35:56 +02:00
stat.c
VFS: assorted d_backing_inode() annotations
2015-04-15 15:06:59 -04:00
statfs.c
…
super.c
fs:super:get_anon_bdev: fix race condition could cause dev exceed its upper limitation
2015-07-01 01:50:06 -04:00
sync.c
vfs: add support for a lazytime mount option
2015-02-05 02:45:00 -05:00
timerfd.c
fs: Convert show_fdinfo functions to void
2014-11-05 14:13:23 -05:00
utimes.c
…
xattr.c
evm: fix potential race when removing xattrs
2015-05-21 13:28:47 -04:00