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Jerome Marchand 07384b42b6 kref: add kref_test_and_get 
commit e4a683c899cd5a49f8d684a054c95bd115a0c005 upstream.

Add kref_test_and_get() function, which atomically add a reference only if
refcount is not zero. This prevent to add a reference to an object that is
already being removed.

Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-02-17 15:14:17 -08:00
..
lzo
lib: add support for LZO-compressed kernels
2010-01-11 09:34:04 -08:00
raid6
Move .gitignore from drivers/md to lib/raid6
2010-08-30 17:35:52 +10:00
reed_solomon
…
zlib_deflate
trivial: fix typo "to to" in multiple files
2009-09-21 15:14:55 +02:00
zlib_inflate
inflate_fast: sout is already a short so ptr arith was off by one.
2010-03-12 15:52:44 -08:00
.gitignore
…
argv_split.c
tree-wide: convert open calls to remove spaces to skip_spaces() lib function
2009-12-15 08:53:32 -08:00
atomic64_test.c
ARM: 6213/1: atomic64_test: add ARM as supported architecture
2010-07-27 10:43:46 +01:00
atomic64.c
lib: Fix atomic64_add_unless return value convention
2010-03-01 11:38:46 -08:00
audit.c
…
bcd.c
rtc: BCD codeshrink
2008-07-24 10:47:33 -07:00
bitmap.c
lib/bitmap.c: use hex_to_bin()
2010-10-26 16:52:18 -07:00
bitrev.c
…
btree.c
lib/btree: fix possible NULL pointer dereference
2010-05-15 12:48:10 -07:00
bug.c
modules: Fix module_bug_list list corruption race
2010-10-05 11:29:27 -07:00
bust_spinlocks.c
oops handling: ensure that any oops is flushed to the mtdoops console
2009-01-06 15:59:11 -08:00
check_signature.c
…
checksum.c
lib/checksum: fix one more thinko
2009-11-03 16:06:53 +01:00
cmdline.c
generic, memparse(): constify argument
2008-07-28 15:05:23 +02:00
cpu-notifier-error-inject.c
fault-injection: add CPU notifier error injection module
2010-05-27 09:12:48 -07:00
cpumask.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
crc7.c
…
crc16.c
…
crc32.c
revert "crc32: use __BYTE_ORDER macro for endian detection"
2010-05-26 08:19:23 -07:00
crc32defs.h
…
crc-ccitt.c
…
crc-itu-t.c
…
crc-t10dif.c
…
ctype.c
ctype: constify read-only _ctype string
2009-12-15 08:53:32 -08:00
debug_locks.c
Revert "debug_locks: set oops_in_progress if we will log messages."
2010-11-29 15:18:28 -08:00
debugobjects.c
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2010-05-18 08:17:58 -07:00
dec_and_lock.c
atomic: only take lock when the counter drops to zero on UP as well
2009-06-16 19:47:47 -07:00
decompress_bunzip2.c
lib/decompress_bunzip2.c: fix checkstack warning
2010-08-11 08:59:23 -07:00
decompress_inflate.c
lzma/gzip: fix potential oops when input data is truncated
2009-09-24 07:21:05 -07:00
decompress_unlzma.c
lzma/gzip: fix potential oops when input data is truncated
2009-09-24 07:21:05 -07:00
decompress_unlzo.c
lib: fix the use of LZO to decompress initramfs images
2010-04-24 11:31:25 -07:00
decompress.c
Add LZO compression support for initramfs and old-style initrd
2010-01-11 09:34:05 -08:00
devres.c
lib/devres.c: fix comment typo
2010-07-11 22:16:32 +02:00
div64.c
div64_u64(): improve precision on 32bit platforms
2010-10-26 16:52:19 -07:00
dma-debug.c
llseek: automatically add .llseek fop
2010-10-15 15:53:27 +02:00
dump_stack.c
…
dynamic_debug.c
dynamic debug: Fix build issue with older gcc
2011-02-17 15:14:15 -08:00
extable.c
module: trim exception table on init free.
2009-06-12 21:47:04 +09:30
fault-inject.c
headers: remove sched.h from interrupt.h
2009-10-11 11:20:58 -07:00
find_last_bit.c
bitmap: find_last_bit()
2009-01-01 10:12:19 +10:30
find_next_bit.c
…
flex_array.c
flex_array: add helpers to get and put to make pointers easy to use
2010-08-09 20:45:09 -07:00
gcd.c
lib: add lib/gcd.c
2009-06-18 13:04:05 -07:00
gen_crc32table.c
crc32: major optimization
2010-05-25 08:07:06 -07:00
genalloc.c
genalloc: fix allocation from end of pool
2010-06-29 15:29:30 -07:00
halfmd4.c
…
hexdump.c
lib: introduce common method to convert hex digits
2010-05-25 08:07:05 -07:00
hweight.c
x86: Add optimized popcnt variants
2010-04-06 15:52:11 -07:00
idr.c
docbook: add idr/ida to kernel-api docbook
2010-10-26 17:40:56 -07:00
inflate.c
MN10300: Don't try and #include <linux/slab.h> in lib/inflate.c from bootloader
2010-08-12 09:51:35 -07:00
int_sqrt.c
…
iomap_copy.c
…
iomap.c
Use WARN() in lib/
2008-07-26 12:00:07 -07:00
iommu-helper.c
iommu: inline iommu_num_pages
2010-08-09 20:45:05 -07:00
ioremap.c
x86, ioremap: Fix incorrect physical address handling in PAE mode
2010-07-09 11:42:03 -07:00
irq_regs.c
…
is_single_threaded.c
kernel: is_current_single_threaded: don't use ->mmap_sem
2009-07-17 09:11:31 +10:00
kasprintf.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
Kconfig
Merge branch 'async' of macbook:git/btrfs-unstable
2010-08-09 10:36:44 +01:00
Kconfig.debug
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
2010-10-27 19:04:36 -07:00
Kconfig.kgdb
mips,kgdb: kdb low level trap catch and stack trace
2010-05-20 21:04:26 -05:00
Kconfig.kmemcheck
kmemcheck: depend on HAVE_ARCH_KMEMCHECK
2009-07-01 22:28:44 +02:00
kernel_lock.c
bkl: Fixup core_lock fallout
2009-12-14 23:55:33 +01:00
klist.c
driver core: Remove completion from struct klist_node
2009-01-06 10:44:30 -08:00
kobject_uevent.c
kobject_uevent: fix typo in comments
2010-08-23 18:12:46 -07:00
kobject.c
kobject: Introduce kset_find_obj_hinted.
2010-10-22 10:16:44 -07:00
kref.c
kref: add kref_test_and_get
2011-02-17 15:14:17 -08:00
lcm.c
block: Fix overrun in lcm() and move it to lib
2010-03-15 12:47:59 +01:00
libcrc32c.c
libcrc32c: Fix "crc32c undefined" compilation error
2008-12-25 11:01:42 +11:00
list_debug.c
list debugging: warn when deleting a deleted entry
2010-08-09 20:45:08 -07:00
list_sort.c
lib/list_sort: test: check element addresses
2010-10-26 16:52:19 -07:00
locking-selftest-hardirq.h
…
locking-selftest-mutex.h
…
locking-selftest-rlock-hardirq.h
…
locking-selftest-rlock-softirq.h
…
locking-selftest-rlock.h
…
locking-selftest-rsem.h
…
locking-selftest-softirq.h
…
locking-selftest-spin-hardirq.h
…
locking-selftest-spin-softirq.h
…
locking-selftest-spin.h
…
locking-selftest-wlock-hardirq.h
…
locking-selftest-wlock-softirq.h
…
locking-selftest-wlock.h
…
locking-selftest-wsem.h
…
locking-selftest.c
locking: rename trace_softirq_[enter|exit] => lockdep_softirq_[enter|exit]
2009-03-13 01:32:36 +01:00
lru_cache.c
The DRBD driver
2009-10-01 21:17:49 +02:00
Makefile
Merge branch 'async' of macbook:git/btrfs-unstable
2010-08-09 10:36:44 +01:00
nlattr.c
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6
2009-03-26 22:45:23 -07:00
parser.c
lib/parser: cleanup match_number()
2010-10-26 16:52:19 -07:00
percpu_counter.c
percpu_counter: use this_cpu_ptr() instead of per_cpu_ptr()
2010-10-26 16:52:19 -07:00
plist.c
plist: Make plist debugging raw_spinlock aware
2009-12-14 23:55:33 +01:00
prio_heap.c
lib: fix sparse shadowed variable warning
2009-01-06 15:59:11 -08:00
prio_tree.c
…
proportions.c
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2009-01-06 17:10:04 -08:00
radix-tree.c
radix-tree: fix RCU bug
2010-11-12 07:55:32 -08:00
random32.c
Merge branch 'master' into for-next
2010-06-16 18:08:13 +02:00
ratelimit.c
ratelimit: fix the return value when __ratelimit() fails to acquire the lock
2010-04-07 08:38:04 -07:00
rational.c
lib/rational.c needs module.h
2010-01-11 09:34:05 -08:00
rbtree.c
rbtree: Undo augmented trees performance damage and regression
2010-07-05 14:43:50 +02:00
reciprocal_div.c
…
rwsem-spinlock.c
rwsem generic spinlock: use IRQ save/restore spinlocks
2010-04-07 16:15:05 -07:00
rwsem.c
rwsem: smaller wrappers around rwsem_down_failed_common
2010-08-09 20:45:11 -07:00
scatterlist.c
scatterlist: prevent invalid free when alloc fails
2010-08-30 19:55:09 +02:00
sha1.c
…
show_mem.c
mm: use the same log level for show_mem()
2010-03-06 11:26:27 -08:00
smp_processor_id.c
cpumask: convert lib/smp_processor_id to new cpumask ops
2009-01-30 15:47:34 +01:00
sort.c
generic swap(): lib/sort.c: rename swap to swap_func
2009-01-08 08:31:14 -08:00
spinlock_debug.c
locking: Further name space cleanups
2009-12-14 23:55:33 +01:00
string_helpers.c
[SCSI] lib: string_get_size(): don't hang on zero; no decimals on exact
2008-10-23 11:42:20 -05:00
string.c
lib/string.c: simplify strnstr()
2010-03-06 11:26:35 -08:00
swiotlb.c
swiotlb: Use page alignment for early buffer allocation
2010-10-11 17:08:36 -04:00
syscall.c
task_current_syscall
2008-07-26 12:00:10 -07:00
textsearch.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
ts_bm.c
…
ts_fsm.c
…
ts_kmp.c
…
uuid.c
Unified UUID/GUID definition
2010-05-19 22:40:47 -04:00
vsprintf.c
lib: fix scnprintf() if @size is == 0
2010-10-26 16:52:16 -07:00