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Peter Zijlstra 2c935bc572 locking/atomic, kref: Add kref_read() 
Since we need to change the implementation, stop exposing internals.

Provide kref_read() to read the current reference count; typically
used for debug messages.

Kills two anti-patterns:

	atomic_read(&kref->refcount)
	kref->refcount.counter

Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Cc: Andrew Morton <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Paul E. McKenney <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: [email protected]
Signed-off-by: Ingo Molnar <[email protected]>
2017-01-14 11:37:18 +01:00
..
9p
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
adfs
…
affs
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
afs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
autofs4
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
befs
befs: add NFS export support
2016-12-22 11:25:24 +00:00
bfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
btrfs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
cachefiles
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ceph
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
cifs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
coda
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
configfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
cramfs
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crypto
fscrypt: fix renaming and linking special files
2016-12-31 00:47:05 -05:00
debugfs
…
devpts
…
dlm
ktime: Get rid of ktime_equal()
2016-12-25 17:21:23 +01:00
ecryptfs
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
efivarfs
…
efs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
exofs
locking/atomic, kref: Add kref_read()
2017-01-14 11:37:18 +01:00
exportfs
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ext2
ext2: Return BH_New buffers for zeroed blocks
2016-12-26 20:29:24 -08:00
ext4
ext4: Simplify DAX fault path
2016-12-26 20:29:25 -08:00
f2fs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
fat
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freevxfs
…
fscache
…
fuse
locking/atomic, kref: Add KREF_INIT()
2017-01-14 11:37:18 +01:00
gfs2
ktime: Cleanup ktime_set() usage
2016-12-25 17:21:22 +01:00
hfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
hfsplus
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
hostfs
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
hpfs
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hugetlbfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
isofs
Merge branch 'for-4.10/block' of git://git.kernel.dk/linux-block
2016-12-13 10:19:16 -08:00
jbd2
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
jffs2
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
jfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
kernfs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
lockd
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minix
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
ncpfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
nfs
ktime: Get rid of ktime_equal()
2016-12-25 17:21:23 +01:00
nfs_common
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nfsd
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
nilfs2
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
nls
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notify
Merge branch 'stable-4.10' of git://git.infradead.org/users/pcmoore/audit
2017-01-05 23:06:06 -08:00
ntfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
ocfs2
locking/atomic, kref: Add kref_read()
2017-01-14 11:37:18 +01:00
omfs
…
openpromfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
orangefs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
overlayfs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
proc
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
pstore
Merge tag 'pstore-v4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
2016-12-13 09:16:11 -08:00
qnx4
…
qnx6
…
quota
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
2016-12-19 08:23:53 -08:00
ramfs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
reiserfs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
romfs
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squashfs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
sysfs
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sysv
vfs: remove ".readlink = generic_readlink" assignments
2016-12-09 16:45:04 +01:00
tracefs
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ubifs
Merge uncontroversial parts of branch 'readlink' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
2016-12-17 19:16:12 -08:00
udf
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ufs
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
xfs
xfs: fix max_retries _show and _store functions
2017-01-03 20:34:17 -08:00
aio.c
ktime: Get rid of the union
2016-12-25 17:21:22 +01:00
anon_inodes.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
attr.c
…
bad_inode.c
bad_inode: add missing i_op initializers
2016-12-09 11:57:43 +01:00
binfmt_aout.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
binfmt_elf_fdpic.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
binfmt_elf.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
binfmt_em86.c
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binfmt_flat.c
…
binfmt_misc.c
…
binfmt_script.c
…
block_dev.c
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
2017-01-04 09:03:37 -08:00
buffer.c
clean_bdev_aliases: Prevent cleaning blocks that are not in block range
2017-01-02 09:35:14 -07:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
compat.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
coredump.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
dax.c
dax: wrprotect pmd_t in dax_mapping_entry_mkclean
2017-01-10 18:31:54 -08:00
dcache.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
dcookies.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
direct-io.c
Merge tag 'xfs-for-linus-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
2016-12-14 21:35:31 -08:00
drop_caches.c
…
eventfd.c
…
eventpoll.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
exec.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
fcntl.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
fhandle.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
file_table.c
constify alloc_file()
2016-12-05 19:01:16 -05:00
file.c
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filesystems.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
fs_pin.c
…
fs_struct.c
…
fs-writeback.c
fs/fs-writeback.c: remove redundant if check
2016-12-12 18:55:08 -08:00
inode.c
…
internal.h
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-12-17 18:44:00 -08:00
ioctl.c
vfs: call vfs_clone_file_range() under freeze protection
2016-12-16 11:02:54 +01:00
iomap.c
Merge tag 'xfs-for-linus-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs
2016-12-14 21:35:31 -08:00
Kconfig
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-12-16 10:24:44 -08:00
Kconfig.binfmt
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libfs.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
locks.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
Makefile
logfs: remove from tree
2016-12-14 23:48:11 -05:00
mbcache.c
mbcache: document that "find" functions only return reusable entries
2016-12-03 15:55:01 -05:00
mount.h
vfs: add path_is_mountpoint() helper
2016-12-03 20:51:35 -05:00
mpage.c
…
namei.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
namespace.c
Merge branch 'work.namespace' into for-linus
2016-12-22 23:04:31 -05:00
no-block.c
…
nsfs.c
…
open.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
pipe.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
pnode.c
reorganize do_make_slave()
2016-12-16 16:30:49 -05:00
pnode.h
…
posix_acl.c
…
proc_namespace.c
…
read_write.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
readdir.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
select.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
seq_file.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
signalfd.c
…
splice.c
splice: reinstate SIGPIPE/EPIPE handling
2016-12-21 10:59:34 -08:00
stack.c
…
stat.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
statfs.c
vfs: misc struct path constification
2016-12-05 19:03:49 -05:00
super.c
…
sync.c
…
timerfd.c
ktime: Cleanup ktime_set() usage
2016-12-25 17:21:22 +01:00
userfaultfd.c
mm: join struct fault_env and vm_fault
2016-12-14 16:04:09 -08:00
utimes.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
xattr.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00