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f4226d9ea4
linux/fs
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Eric Whitney f4226d9ea4 ext4: fix partial cluster initialization 
The partial_cluster variable is not always initialized correctly when
hole punching on bigalloc file systems.  Although commit c063449394
("ext4: fix partial cluster handling for bigalloc file systems")
addressed the case where the right edge of the punched region and the
next extent to its right were within the same leaf, it didn't handle
the case where the next extent to its right is in the next leaf.  This
causes xfstest generic/300 to fail.

Fix this by replacing the code in c0634493922 with a more general
solution that can continue the search for the first cluster to the
right of the punched region into the next leaf if present.  If found,
partial_cluster is initialized to this cluster's negative value.
There's no need to determine if that cluster is actually shared;  we
simply record it so its blocks won't be freed in the event it does
happen to be shared.

Also, minimize the burden on non-bigalloc file systems with some minor
code simplification.

Signed-off-by: Eric Whitney <enwlinux@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2014-11-23 00:55:42 -05:00
..
9p 9p: switch to %p[dD] 2014-10-09 02:39:04 -04:00
adfs
affs fs/affs: remove redundant sys_tz declarations 2014-10-14 02:18:22 +02:00
afs Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
autofs4 autofs4: d_manage() should return -EISDIR when appropriate in rcu-walk mode. 2014-10-14 02:18:16 +02:00
befs fs/befs/btree.c: remove typedef befs_btree_node 2014-10-14 02:18:20 +02:00
bfs
btrfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs 2014-11-01 10:41:26 -07:00
cachefiles FS-Cache fixes 2014-10-14 08:40:15 +02:00
ceph Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2014-10-15 06:46:01 +02:00
cifs [CIFS] Remove obsolete comment 2014-10-17 17:17:12 -05:00
coda
configfs
cramfs
debugfs
devpts
dlm dlm: fix missing endian conversion of rcom_status flags 2014-10-14 15:11:48 -05:00
ecryptfs fs: limit filesystem stacking depth 2014-10-24 00:14:39 +02:00
efivarfs
efs
exofs Boaz Harrosh - Fix broken email address 2014-10-19 20:22:32 +03:00
exportfs
ext2
ext3 ext3: Don't check quota format when there are no quota files 2014-10-22 09:02:48 +02:00
ext4 ext4: fix partial cluster initialization 2014-11-23 00:55:42 -05:00
f2fs f2fs: support volatile operations for transient data 2014-10-07 11:54:41 -07:00
fat fat: remove redundant sys_tz declaration 2014-10-14 02:18:20 +02:00
freevxfs
fscache fs/fscache/object-list.c: use __seq_open_private() 2014-10-13 17:52:21 +01:00
fuse vfs: Make d_invalidate return void 2014-10-09 02:38:57 -04:00
gfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
hfs fs/hfs/hfs_fs.h: remove redundant sys_tz declaration 2014-10-14 02:18:20 +02:00
hfsplus
hostfs
hpfs
hppfs
hugetlbfs
isofs isofs: don't bother with ->d_op for normal case 2014-10-31 06:33:17 -04:00
jbd fs, jbd: use a more generic hash function 2014-10-22 10:02:04 +02:00
jbd2 jbd2: use a better hash function for the revoke table 2014-10-30 10:53:17 -04:00
jffs2 [jffs2] kill wbuf_queued/wbuf_dwork_lock 2014-10-09 02:39:01 -04:00
jfs Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
kernfs vfs: Remove unnecessary calls of check_submounts_and_drop 2014-10-09 02:38:56 -04:00
lockd File locking related changes for v3.18 (pile #1) 2014-10-11 13:21:34 -04:00
logfs
minix
ncpfs fs/ncpfs/dir.c: remove redundant sys_tz declaration 2014-10-14 02:18:16 +02:00
nfs Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd 2014-10-21 12:53:45 -07:00
nfs_common lockd: move lockd's grace period handling into its own module 2014-09-17 16:33:11 -04:00
nfsd nfsd4: fix crash on unknown operation number 2014-10-23 13:39:51 -04:00
nilfs2 nilfs2: improve the performance of fdatasync() 2014-10-14 02:18:20 +02:00
nls
notify fsnotify: next_i is freed during fsnotify_unmount_inodes. 2014-10-29 16:33:14 -07:00
ntfs NTFS: Bump version to 2.1.31. 2014-10-16 12:53:35 +01:00
ocfs2 ocfs2: fix d_splice_alias() return code checking 2014-10-29 16:33:15 -07:00
omfs FS/OMFS: block number sanity check during fill_super operation 2014-10-14 02:18:22 +02:00
openpromfs
overlayfs ovl: initialize ->is_cursor 2014-10-31 17:47:51 -04:00
proc mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared 2014-10-14 02:18:28 +02:00
pstore pstore: Fix duplicate {console,ftrace}-efi entries 2014-10-15 13:51:33 -07:00
qnx4
qnx6
quota quota: Properly return errors from dquot_writeback_dquots() 2014-10-22 09:08:03 +02:00
ramfs
reiserfs fs/reiserfs/journal.c: fix sparse context imbalance warning 2014-10-14 02:18:20 +02:00
romfs
squashfs
sysfs
sysv
ubifs UBIFS: Fix trivial typo in power_cut_emulated() 2014-09-30 09:29:44 +03:00
udf udf: Fix loading of special inodes 2014-10-09 13:06:14 +02:00
ufs fs/ufs/balloc.c: remove unused variable 2014-10-14 02:18:20 +02:00
xfs Merge branch 'for-3.18/core' of git://git.kernel.dk/linux-block 2014-10-18 11:53:51 -07:00
aio.c percpu_ref: add PERCPU_REF_INIT_* flags 2014-09-24 13:31:50 -04:00
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c handle suicide on late failure exits in execve() in search_binary_handler() 2014-10-09 02:39:00 -04:00
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 handle suicide on late failure exits in execve() in search_binary_handler() 2014-10-09 02:39:00 -04:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c binfmt_misc: work around gcc-4.9 warning 2014-10-14 02:18:16 +02:00
binfmt_script.c
binfmt_som.c
block_dev.c Return short read or 0 at end of a raw device, not EIO 2014-10-31 06:33:26 -04:00
buffer.c fs: clarify rate limit suppressed buffer I/O errors 2014-10-21 13:55:11 -06:00
char_dev.c
compat_binfmt_elf.c
compat_ioctl.c
compat.c vfs: move getname() from callers to do_mount() 2014-10-09 02:39:16 -04:00
coredump.c coredump: add %i/%I in core_pattern to report the tid of the crashed thread 2014-10-14 02:18:21 +02:00
dcache.c fix inode leaks on d_splice_alias() failure exits 2014-10-23 22:30:18 -04:00
dcookies.c
direct-io.c fuse: honour max_read and max_write in direct_io mode 2014-09-26 21:16:51 -04:00
drop_caches.c
eventfd.c
eventpoll.c
exec.c handle suicide on late failure exits in execve() in search_binary_handler() 2014-10-09 02:39:00 -04:00
fcntl.c
fhandle.c
file_table.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
file.c Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 15:44:12 +02:00
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c
inode.c
internal.h vfs: export __inode_permission() to modules 2014-10-24 00:14:35 +02:00
ioctl.c
Kconfig overlay filesystem 2014-10-24 00:14:38 +02:00
Kconfig.binfmt
libfs.c locks: plumb a "priv" pointer into the setlease routines 2014-10-07 14:06:12 -04:00
locks.c locks: flock_make_lock should return a struct file_lock (or PTR_ERR) 2014-10-07 14:06:13 -04:00
Makefile overlay filesystem 2014-10-24 00:14:38 +02:00
mbcache.c
mount.h vfs: Add a function to lazily unmount all mounts from any dentry. 2014-10-09 02:38:55 -04:00
mpage.c vfs: guard end of device for mpage interface 2014-10-09 22:25:53 -04:00
namei.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-11-02 10:28:43 -08:00
namespace.c vfs: introduce clone_private_mount() 2014-10-24 00:14:36 +02:00
no-block.c
open.c vfs: add i_op->dentry_open() 2014-10-24 00:14:35 +02:00
pipe.c
pnode.c
pnode.h
posix_acl.c
proc_namespace.c
read_write.c cachefiles_write_page(): switch to __kernel_write() 2014-10-09 02:39:05 -04:00
readdir.c
select.c
seq_file.c
signalfd.c
splice.c vfs: export do_splice_direct() to modules 2014-10-24 00:14:35 +02:00
stack.c
stat.c
statfs.c
super.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
sync.c
timerfd.c
utimes.c
xattr.c vfs: Deduplicate code shared by xattr system calls operating on paths 2014-10-12 17:09:10 -04:00