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Wang Shilong e2eca69dc6 Btrfs: fix wrong extent mapping for DirectIO 
btrfs_next_leaf() will use current leaf's last key to search
and then return a bigger one. So it may still return a file extent
item that is smaller than expected value and we will
get an overflow here for @em->len.

This is easy to reproduce for Btrfs Direct writting, it did not
cause any problem, because writting will re-insert right mapping later.

However, by hacking code to make DIO support compression, wrong extent
mapping is kept and it encounter merging failure(EEXIST) quickly.

Fix this problem by looping to find next file extent item that is bigger
than @start or we could not find anything more.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
2014-08-19 08:52:13 -07:00
..
9p
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
adfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
affs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
afs
AFS: Correctly assemble the client UUID
2014-07-29 10:14:36 -07:00
autofs4
autofs4: fix false positive compile error
2014-07-03 09:21:53 -07:00
befs
fs/befs: kernel-doc fixes
2014-06-06 16:08:09 -07:00
bfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
btrfs
Btrfs: fix wrong extent mapping for DirectIO
2014-08-19 08:52:13 -07:00
cachefiles
fs/cachefiles: replace kerror by pr_err
2014-06-06 16:08:14 -07:00
ceph
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2014-06-12 23:06:23 -07:00
cifs
[CIFS] fix mount failure with broken pathnames when smb3 mount with mapchars option
2014-06-24 08:10:24 -05:00
coda
coda: convert use of typedef ctl_table to struct ctl_table
2014-06-06 16:08:16 -07:00
configfs
fs/configfs: use pr_fmt
2014-06-04 16:53:53 -07:00
cramfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
debugfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
devpts
fs/devpts/inode.c: convert printk to pr_foo()
2014-06-06 16:08:14 -07:00
dlm
dlm: keep listening connection alive with sctp mode
2014-06-12 10:26:14 -05:00
ecryptfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
efivarfs
fs/efivarfs/super.c: use static const for dentry_operations
2014-06-04 16:54:14 -07:00
efs
fs/efs: convert printk(KERN_DEBUG to pr_debug
2014-06-04 16:54:21 -07:00
exofs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
exportfs
fs/exportfs/expfs.c: kernel-doc warning fixes
2014-06-04 16:54:14 -07:00
ext2
->splice_write() via ->write_iter()
2014-06-12 00:18:51 -04:00
ext3
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
ext4
ext4: fix potential null pointer dereference in ext4_free_inode
2014-07-12 16:11:42 -04:00
f2fs
f2fs: avoid to access NULL pointer in issue_flush_thread
2014-07-09 05:59:55 -07:00
fat
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
freevxfs
Major changes for 3.14 include support for the newly added ZERO_RANGE
2014-04-04 15:39:39 -07:00
fscache
fscache: convert use of typedef ctl_table to struct ctl_table
2014-06-06 16:08:16 -07:00
fuse
fuse: add FUSE_NO_OPEN_SUPPORT flag to INIT
2014-07-22 16:37:43 +02:00
gfs2
GFS2: fs/gfs2/rgrp.c: kernel-doc warning fixes
2014-07-18 11:15:14 +01:00
hfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
hfsplus
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
hostfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
hpfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
hppfs
…
hugetlbfs
fs/hugetlbfs/inode.c: remove null test before kfree
2014-06-04 16:54:11 -07:00
isofs
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2014-04-07 17:59:17 -07:00
jbd
fs/jbd/revoke.c: replace shift loop by ilog2
2014-05-21 10:26:13 +02:00
jbd2
ext4: disable synchronous transaction batching if max_batch_time==0
2014-07-05 19:18:22 -04:00
jffs2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
jfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
kernfs
Merge branch 'for-3.16-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
2014-07-10 11:38:23 -07:00
lockd
Merge branch 'for-3.16' of git://linux-nfs.org/~bfields/linux
2014-06-10 11:50:57 -07:00
logfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
minix
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
ncpfs
fs/ncpfs/getopt.c: replace simple_strtoul by kstrtoul
2014-06-04 16:54:21 -07:00
nfs
NFS: Don't reset pg_moreio in __nfs_pageio_add_request
2014-07-13 15:18:44 -04:00
nfs_common
…
nfsd
NFSD: Fix crash encoding lock reply on 32-bit
2014-07-23 10:31:56 -04:00
nilfs2
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
nls
nls: have register_nls() set ->owner
2014-01-25 03:14:05 -05:00
notify
inotify: convert use of typedef ctl_table to struct ctl_table
2014-06-06 16:08:16 -07:00
ntfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
ocfs2
ocfs2/dlm: do not purge lockres that is queued for assert master
2014-06-23 16:47:45 -07:00
omfs
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
openpromfs
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
proc
/proc/stat: convert to single_open_size()
2014-07-03 09:21:54 -07:00
pstore
fs/pstore: logging clean-up
2014-06-06 16:08:13 -07:00
qnx4
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
qnx6
fs: push sync_filesystem() down to the file system's remount_fs()
2014-03-13 10:14:33 -04:00
quota
quota: missing lock in dqcache_shrink_scan()
2014-07-15 22:36:18 +02:00
ramfs
->splice_write() via ->write_iter()
2014-06-12 00:18:51 -04:00
reiserfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
romfs
switch simple generic_file_aio_read() users to ->read_iter()
2014-05-06 17:37:55 -04:00
squashfs
fs/squashfs/squashfs.h: replace pr_warning by pr_warn
2014-06-04 16:53:52 -07:00
sysfs
kernfs: move the last knowledge of sysfs out from kernfs
2014-06-03 08:11:18 -07:00
sysv
write_iter variants of {__,}generic_file_aio_write()
2014-05-06 17:38:00 -04:00
ubifs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
udf
udf: switch to ->write_iter()
2014-05-06 17:39:36 -04:00
ufs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
xfs
xfs: null unused quota inodes when quota is on
2014-07-15 07:28:41 +10:00
aio.c
aio: protect reqs_available updates from changes in interrupt handlers
2014-07-14 13:05:26 -04:00
anon_inodes.c
vfs: Allocate anon_inode_inode in anon_inode_init()
2014-03-27 09:52:54 -07:00
attr.c
fs,userns: Change inode_capable to capable_wrt_inode_uidgid
2014-06-10 13:57:22 -07:00
bad_inode.c
…
binfmt_aout.c
…
binfmt_elf_fdpic.c
…
binfmt_elf.c
Merge branch 'x86/vdso' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next
2014-06-05 08:05:29 -07:00
binfmt_em86.c
…
binfmt_flat.c
fs/binfmt_flat.c: make old_reloc() static
2014-06-04 16:54:21 -07:00
binfmt_misc.c
binfmt_misc: add missing 'break' statement
2014-04-03 16:21:16 -07:00
binfmt_script.c
…
binfmt_som.c
…
block_dev.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
buffer.c
mm: non-atomically mark page accessed during page cache allocation where possible
2014-06-04 16:54:10 -07:00
char_dev.c
…
compat_binfmt_elf.c
binfmt_elf: add ELF_HWCAP2 to compat auxv entries
2014-03-04 08:05:21 +00:00
compat_ioctl.c
fs/compat: convert to COMPAT_SYSCALL_DEFINE with changing parameter types
2014-03-06 16:30:44 +01:00
compat.c
locks: rename file-private locks to "open file description locks"
2014-04-22 08:23:58 -04:00
coredump.c
coredump: fix the setting of PF_DUMPCORE
2014-07-23 15:10:54 -07:00
dcache.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
dcookies.c
fs/compat: fix lookup_dcookie() parameter handling
2014-01-29 16:22:40 -08:00
direct-io.c
direct-io: fix AIO regression
2014-08-01 02:35:51 -04:00
drop_caches.c
fs: convert use of typedef ctl_table to struct ctl_table
2014-06-06 16:08:16 -07:00
eventfd.c
eventfd_ctx_fdget(): use fdget() instead of fget()
2014-01-25 03:13:04 -05:00
eventpoll.c
epoll: fix use-after-free in eventpoll_release_file
2014-06-16 17:21:59 -10:00
exec.c
perf: Differentiate exec() and non-exec() comm events
2014-06-06 07:56:22 +02:00
fcntl.c
locks: rename file-private locks to "open file description locks"
2014-04-22 08:23:58 -04:00
fhandle.c
…
file_table.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2014-06-12 10:30:18 -07:00
file.c
fs/file.c: don't open-code kvfree()
2014-05-06 17:31:10 -04:00
filesystems.c
sys_sysfs: Add CONFIG_SYSFS_SYSCALL
2014-04-03 16:21:05 -07:00
fs_struct.c
…
fs-writeback.c
One of the main highlights this time, is not the patches themselves
2014-04-04 14:49:16 -07:00
inode.c
fs,userns: Change inode_capable to capable_wrt_inode_uidgid
2014-06-10 13:57:22 -07:00
internal.h
…
ioctl.c
…
Kconfig
kernfs: add CONFIG_KERNFS
2014-02-07 16:08:57 -08:00
Kconfig.binfmt
…
libfs.c
fs/libfs.c: add generic data flush to fsync
2014-06-04 16:53:55 -07:00
locks.c
locks: set fl_owner for leases back to current->files
2014-06-10 12:29:05 -04:00
Makefile
block: move ioprio.c from fs/ to block/
2014-05-19 11:02:18 -06:00
mbcache.c
fs/mbcache: replace __builtin_log2() with ilog2()
2014-06-25 22:08:29 -04:00
mount.h
reduce m_start() cost...
2014-04-01 23:19:09 -04:00
mpage.c
fs/block_dev.c: add bdev_read_page() and bdev_write_page()
2014-06-04 16:54:02 -07:00
namei.c
fs: umount on symlink leaks mnt count
2014-07-24 06:18:12 -04:00
namespace.c
VFS: Make delayed_free() call free_vfsmnt()
2014-04-01 23:19:18 -04:00
no-block.c
…
open.c
vfs: fix check for fallocate on active swapfile
2014-08-01 02:36:04 -04:00
pipe.c
new helper: copy_page_from_iter()
2014-05-06 17:39:42 -04:00
pnode.c
smarter propagate_mnt()
2014-04-01 23:19:08 -04:00
pnode.h
smarter propagate_mnt()
2014-04-01 23:19:08 -04:00
posix_acl.c
posix_acl: handle NULL ACL in posix_acl_equiv_mode
2014-05-06 13:58:42 -04:00
proc_namespace.c
reduce m_start() cost...
2014-04-01 23:19:09 -04:00
read_write.c
switch simple generic_file_aio_read() users to ->read_iter()
2014-05-06 17:37:55 -04:00
readdir.c
fanotify: create FAN_ACCESS event for readdir
2014-06-04 16:53:52 -07:00
select.c
…
seq_file.c
fs/seq_file: fallback to vmalloc allocation
2014-07-03 09:21:54 -07:00
signalfd.c
…
splice.c
Merge commit '9f12600fe425bc28f0ccba034a77783c09c15af4' into for-linus
2014-06-12 00:28:09 -04:00
stack.c
…
stat.c
…
statfs.c
…
super.c
fs/superblock: avoid locking counting inodes and dentries before reclaiming them
2014-06-04 16:54:11 -07:00
sync.c
Revert "writeback: do not sync data dirtied after sync start"
2014-02-22 02:02:28 +01:00
timerfd.c
timerfd: support CLOCK_BOOTTIME clock
2014-01-23 16:57:40 -08:00
utimes.c
…
xattr.c
simple_xattr: permit 0-size extended attributes
2014-07-23 15:10:55 -07:00