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alistair23-linux/fs/ocfs2
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Larry Chen 6194ae4242 ocfs2: fix clusters leak in ocfs2_defrag_extent() 
ocfs2_defrag_extent() might leak allocated clusters.  When the file
system has insufficient space, the number of claimed clusters might be
less than the caller wants.  If that happens, the original code might
directly commit the transaction without returning clusters.

This patch is based on code in ocfs2_add_clusters_in_btree().

[akpm@linux-foundation.org: include localalloc.h, reduce scope of data_ac]
Link: http://lkml.kernel.org/r/20180904041621.16874-3-lchen@suse.com
Signed-off-by: Larry Chen <lchen@suse.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Joseph Qi <jiangqi903@gmail.com>
Cc: Changwei Ge <ge.changwei@h3c.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2018-11-03 10:09:37 -07:00
..
cluster iov_iter: Separate type from direction and use accessor functions 2018-10-24 00:41:07 +01:00
dlm fs/ocfs2/dlm/dlmdebug.c: fix a sleep-in-atomic-context bug in dlm_print_one_mle() 2018-10-26 16:25:18 -07:00
dlmfs vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
Kconfig
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Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
acl.c ocfs2/acl: use 'ip_xattr_sem' to protect getting extended attribute 2018-01-31 17:18:35 -08:00
acl.h ocfs2: make ocfs2_set_acl() static 2017-09-06 17:27:24 -07:00
alloc.c ocfs2: remove unused pointer 'eb' 2018-10-26 16:25:18 -07:00
alloc.h ocfs2: try to reuse extent block in dealloc without meta_alloc 2018-01-31 17:18:35 -08:00
aops.c ocfs2: remove unneeded null check 2018-10-26 16:25:18 -07:00
aops.h ocfs2: keep the trace point consistent with the function name 2018-04-05 21:36:21 -07:00
blockcheck.c
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blockcheck.h
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buffer_head_io.c ocfs2: don't put and assigning null to bh allocated outside 2018-11-03 10:09:37 -07:00
buffer_head_io.h ocfs2: clean up some unused function declarations 2017-11-15 18:21:01 -08:00
dcache.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
dcache.h ocfs2: revert iput deferring code in ocfs2_drop_dentry_lock 2014-04-03 16:20:55 -07:00
dir.c ocfs2: fix a misuse a of brelse after failing ocfs2_check_dir_entry 2018-11-03 10:09:37 -07:00
dir.h VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
dlmglue.c ocfs2: dlmglue: clean up timestamp handling 2018-11-03 10:09:37 -07:00
dlmglue.h ocfs2: ocfs2_inode_lock_tracker does not distinguish lock level 2018-06-07 17:34:33 -07:00
export.c ocfs2: Use ERR_CAST() to avoid cross-structure cast 2017-05-28 10:11:49 -07:00
export.h
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extent_map.c ocfs2: add ocfs2_overwrite_io() 2018-01-31 17:18:35 -08:00
extent_map.h ocfs2: add ocfs2_overwrite_io() 2018-01-31 17:18:35 -08:00
file.c ocfs2: don't use iocb when EIOCBQUEUED returns 2018-11-03 10:09:37 -07:00
file.h ocfs2: clean up redundant function declarations 2018-06-07 17:34:33 -07:00
filecheck.c ocfs2: add duplicated ino number check 2018-04-05 21:36:22 -07:00
filecheck.h ocfs2: add kobject for online file check 2018-04-05 21:36:22 -07:00
heartbeat.c
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heartbeat.h
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inode.c ocfs2: clean up some unnecessary code 2018-08-17 16:20:27 -07:00
inode.h ocfs2: convert inode refcount test to a helper 2016-12-10 12:39:45 -08:00
ioctl.c ocfs2: eliminate a misreported warning 2018-06-07 17:34:33 -07:00
ioctl.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
journal.c ocfs2: without quota support, avoid calling quota recovery 2018-11-03 10:09:37 -07:00
journal.h jbd2: add support for avoiding data writes during transaction commits 2016-04-24 00:56:07 -04:00
localalloc.c ocfs2: return -EROFS when filesystem becomes read-only 2018-08-17 16:20:27 -07:00
localalloc.h ocfs2: free allocated clusters if error occurs after ocfs2_claim_clusters 2014-02-06 13:48:51 -08:00
locks.c ocfs2: fix flock panic issue 2015-12-29 17:45:49 -08:00
locks.h
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mmap.c fs: ocfs2: use new return type vm_fault_t 2018-06-07 17:34:34 -07:00
mmap.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
move_extents.c ocfs2: fix clusters leak in ocfs2_defrag_extent() 2018-11-03 10:09:37 -07:00
move_extents.h
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namei.c ocfs2: drop a VLA in ocfs2_orphan_del() 2018-06-07 17:34:34 -07:00
namei.h ocfs2: do not include dio entry in case of orphan scan 2015-11-05 19:34:48 -08:00
ocfs1_fs_compat.h
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ocfs2.h ocfs2: add kobject for online file check 2018-04-05 21:36:22 -07:00
ocfs2_fs.h ocfs2: correct the comments position of struct ocfs2_dir_block_trailer 2018-06-07 17:34:34 -07:00
ocfs2_ioctl.h
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ocfs2_lockid.h ocfs2: add trimfs dlm lock resource 2018-01-31 17:18:35 -08:00
ocfs2_lockingver.h
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ocfs2_trace.h ocfs2: keep the trace point consistent with the function name 2018-04-05 21:36:21 -07:00
quota.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
quota_global.c ocfs2: convert to new i_version API 2018-01-29 06:42:21 -05:00
quota_local.c ocfs2: return -EROFS when filesystem becomes read-only 2018-08-17 16:20:27 -07:00
refcounttree.c vfs: rework data cloning infrastructure 2018-11-02 09:33:08 -07:00
refcounttree.h ocfs2: remove ocfs2_reflink_remap_range 2018-10-30 10:45:48 +11:00
reservations.c ocfs2: make resv_lock spinlock static 2015-02-10 14:30:29 -08:00
reservations.h
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resize.c ocfs2: solve a problem of crossing the boundary in updating backups 2016-03-25 16:37:42 -07:00
resize.h
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slot_map.c ocfs2: clean up an unneeded goto in ocfs2_put_slot() 2016-05-19 19:12:14 -07:00
slot_map.h
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stack_o2cb.c ocfs2: avoid a pointless delay in o2cb_cluster_check() 2015-04-14 16:48:57 -07:00
stack_user.c treewide: Align function definition open/close braces 2018-03-26 11:13:09 +02:00
stackglue.c ocfs2: remove ocfs2_is_o2cb_active() 2018-11-03 10:09:37 -07:00
stackglue.h ocfs2: remove ocfs2_is_o2cb_active() 2018-11-03 10:09:37 -07:00
suballoc.c ocfs2: remove two unused functions from suballoc.c 2018-04-05 21:36:22 -07:00
suballoc.h ocfs2: rollback alloc_dinode counts when ocfs2_block_group_set_bits() failed 2014-04-03 16:20:56 -07:00
super.c ocfs2: add kobject for online file check 2018-04-05 21:36:22 -07:00
super.h ocfs2: remove unused declaration ocfs2_publish_get_mount_state() 2017-11-15 18:21:01 -08:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
symlink.h
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sysfile.c treewide: kzalloc() -> kcalloc() 2018-06-12 16:19:22 -07:00
sysfile.h
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uptodate.c ocfs2: remove unnecessary null pointer check before kmem_cache_destroy() 2018-04-05 21:36:22 -07:00
uptodate.h
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xattr.c ocfs2: use 'osb' instead of 'OCFS2_SB()' 2018-04-05 21:36:21 -07:00
xattr.h ocfs2: fix posix_acl_create deadlock 2016-05-12 15:52:50 -07:00