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NeilBrown 90f9dd8f72 [PATCH] Fix over-zealous tag clearing in radix_tree_delete 
If a tag is set for a node being deleted from a radix_tree, then that
tag gets cleared from the parent of the node, even if it is set for some
siblings of the node begin deleted.

This patch changes the logic to include a test for any_tag_set similar
to the logic a little futher down.  Care is taken to ensure that
'nr_cleared_tags' remains equals to the number of entries in the 'tags'
array which are set to '0' (which means that this tag is not set in the
tree below pathp->node, and should be cleared at pathp->node and
possibly above.

[ Nick says: "Linus FYI, I was able to modify the radix tree test
  harness to catch the bug and can no longer trigger it after the fix.
  Resulting code passes all other harness tests as well of course." ]

Signed-off-by: Neil Brown <neilb@suse.de>
Acked-by: Nick Piggin <npiggin@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-02-16 08:45:50 -08:00
..
reed_solomon [LIB] reed_solomon: Clean up trailing white spaces 2005-11-07 14:25:38 +01:00
zlib_deflate [PATCH] lib/zlib*: cleanups 2006-01-10 08:01:57 -08:00
zlib_inflate [PATCH] lib/zlib*: cleanups 2006-01-10 08:01:57 -08:00
.gitignore Add some basic .gitignore files 2005-10-18 08:26:15 -07:00
Kconfig [PATCH] lib/crc16: added crc16 algorithm. 2005-09-08 14:41:27 -07:00
Kconfig.debug [PATCH] When CONFIG_CC_OPTIMIZE_FOR_SIZE, allow gcc4 to control inlining 2006-01-14 18:27:16 -08:00
Makefile [PATCH] Introduce __iowrite32_copy 2006-02-01 08:53:13 -08:00
bitmap.c [PATCH] cpuset: better bitmap remap defaults 2006-01-08 20:13:42 -08:00
bust_spinlocks.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cmdline.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
crc-ccitt.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
crc16.c [PATCH] lib/crc16: added crc16 algorithm. 2005-09-08 14:41:27 -07:00
crc32.c [PATCH] crc32.c typo fix 2005-08-07 10:00:40 -07:00
crc32defs.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
ctype.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dec_and_lock.c [PATCH] atomic: dec_and_lock use atomic primitives 2006-01-08 20:13:48 -08:00
div64.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
dump_stack.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
errno.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
extable.c [PATCH] extable: remove needless declaration 2005-10-30 17:37:26 -08:00
find_next_bit.c [PATCH] frv: implement and export various things required by modules 2006-01-08 20:13:36 -08:00
gen_crc32table.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
genalloc.c [PATCH] fix broken lib/genalloc.c 2005-11-28 14:42:23 -08:00
halfmd4.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
idr.c [PATCH] Whitespace and CodingStyle cleanup for lib/idr.c 2005-10-30 17:37:19 -08:00
inflate.c [PATCH] Update in-kernel zlib routines 2005-08-05 16:23:21 -07:00
int_sqrt.c [PATCH] lib: Fix bug in int_sqrt() for 64 bit longs 2006-02-03 08:32:08 -08:00
iomap.c [PATCH] add Big Endian variants of ioread/iowrite 2005-04-16 15:25:54 -07:00
iomap_copy.c [PATCH] Introduce __iowrite32_copy 2006-02-01 08:53:13 -08:00
kernel_lock.c [PATCH] spinlock consolidation 2005-09-10 10:06:21 -07:00
klist.c [PATCH] klist: Fix broken kref counting in find functions 2006-01-04 16:18:08 -08:00
kobject.c [PATCH] kobject: don't oops on null kobject.name 2006-02-06 12:17:17 -08:00
kobject_uevent.c [PATCH] Fix uevent buffer overflow in input layer 2006-02-06 12:17:18 -08:00
kref.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
libcrc32c.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
parser.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
prio_tree.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
radix-tree.c [PATCH] Fix over-zealous tag clearing in radix_tree_delete 2006-02-16 08:45:50 -08:00
rbtree.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
rwsem-spinlock.c [PATCH] use smp_mb/wmb/rmb where possible 2005-05-01 08:58:47 -07:00
rwsem.c [PATCH] use smp_mb/wmb/rmb where possible 2005-05-01 08:58:47 -07:00
semaphore-sleepers.c [PATCH] unify x86/x86-64 semaphore code 2005-09-05 00:06:14 -07:00
sha1.c [PATCH] lib/sha1.c: fix sparse warning 2005-06-25 16:25:02 -07:00
smp_processor_id.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
sort.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00
spinlock_debug.c [PATCH] Fix spinlock debugging delays to not time out too early 2006-02-07 16:12:33 -08:00
string.c [PATCH] lib/string.c cleanup: restore useful memmove const 2005-10-30 17:37:27 -08:00
swiotlb.c [PATCH] x86_64: Use function pointers to call DMA mapping functions 2006-01-11 19:04:55 -08:00
textsearch.c [PATCH] gfp_t: lib/* 2005-10-28 08:16:47 -07:00
ts_bm.c [TEXTSEARCH]: Fix broken good shift array calculation in Boyer-Moore 2006-02-02 17:15:41 -08:00
ts_fsm.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
ts_kmp.c [PATCH] gfp flags annotations - part 1 2005-10-08 15:00:57 -07:00
vsprintf.c [PATCH] fix missing includes 2005-10-30 17:37:32 -08:00