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Sage Weil f0023bc617 vfs: add d_prune dentry operation 
This adds a d_prune dentry operation that is called by the VFS prior to
pruning (i.e. unhashing and killing) a hashed dentry from the dcache.
Wrap dentry_lru_del() and use the new _prune() helper in the cases where we
are about to unhash and kill the dentry.

This will be used by Ceph to maintain a flag indicating whether the
complete contents of a directory are contained in the dcache, allowing it
to satisfy lookups and readdir without addition server communication.

Renumber a few DCACHE_* #defines to group DCACHE_OP_PRUNE with the other
DCACHE_OP_ bits.

Signed-off-by: Sage Weil <sage@newdream.net>
Signed-off-by: Christoph Hellwig <hch@lst.de>
 		2011-11-02 12:53:43 +01:00
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9p filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
adfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
affs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
afs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
autofs4 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
befs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
bfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
btrfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
cachefiles
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ceph filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
cifs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
coda filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
configfs
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cramfs
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debugfs
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devpts filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
dlm
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ecryptfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
efs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
exofs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
exportfs
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ext2 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ext3 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ext4 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
fat filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
freevxfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
fscache
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fuse filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
gfs2 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hfsplus filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hostfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hpfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hppfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
hugetlbfs filesystems: add missing nlink wrappers 2011-11-02 12:53:43 +01:00
isofs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
jbd
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jbd2
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jffs2 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
jfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
lockd
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logfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
minix filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ncpfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
nfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
nfs_common
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nfsd nfs41: implement DESTROY_CLIENTID operation 2011-10-24 04:24:30 -04:00
nilfs2 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
nls
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notify
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ntfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ocfs2 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
omfs
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openpromfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
partitions treewide: use __printf not __attribute__((format(printf,...))) 2011-10-31 17:30:54 -07:00
proc filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
pstore pstore: make pstore write function return normal success/fail value 2011-10-12 09:17:24 -07:00
qnx4 filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
quota
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ramfs
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reiserfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
romfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
squashfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
sysfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
sysv filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ubifs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
udf filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
ufs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
xfs filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
Kconfig tmpfs: add "tmpfs" to the Kconfig prompt to make it obvious. 2011-10-31 17:30:45 -07:00
Kconfig.binfmt
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Makefile fs/Makefile: Stupid typo breakage of exofs inclusion 2011-10-27 08:36:51 +02:00
aio.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
anon_inodes.c
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attr.c
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bad_inode.c
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binfmt_aout.c
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binfmt_elf.c
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binfmt_elf_fdpic.c
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binfmt_em86.c
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binfmt_flat.c
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binfmt_misc.c filesystems: add missing nlink wrappers 2011-11-02 12:53:43 +01:00
binfmt_script.c
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binfmt_som.c
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bio-integrity.c
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bio.c
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block_dev.c
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buffer.c fs/buffer.c: add device information for error output in __find_get_block_slow() 2011-10-31 17:30:49 -07:00
char_dev.c
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compat.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
compat_binfmt_elf.c
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compat_ioctl.c
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dcache.c vfs: add d_prune dentry operation 2011-11-02 12:53:43 +01:00
dcookies.c
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direct-io.c direct-io: merge direct_io_walker into __blockdev_direct_IO 2011-10-28 14:58:58 +02:00
drop_caches.c
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eventfd.c
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eventpoll.c epoll: fix spurious lockdep warnings 2011-10-31 17:30:57 -07:00
exec.c oom: remove oom_disable_count 2011-10-31 17:30:45 -07:00
fcntl.c
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fhandle.c
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fifo.c
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file.c
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file_table.c
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filesystems.c
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fs-writeback.c
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fs_struct.c
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generic_acl.c
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inode.c vfs: protect i_nlink 2011-11-02 12:53:43 +01:00
internal.h
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ioctl.c
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ioprio.c
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libfs.c filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
locks.c Merge branch 'for-3.2' of git://linux-nfs.org/~bfields/linux 2011-10-25 15:42:01 +02:00
mbcache.c
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mpage.c
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namei.c readlinkat: ensure we return ENOENT for the empty pathname for normal lookups 2011-11-02 12:53:42 +01:00
namespace.c vfs: add "device" tag to /proc/self/mountstats 2011-10-28 13:55:08 +02:00
no-block.c
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open.c leases: fix write-open/read-lease race 2011-10-28 14:59:00 +02:00
pipe.c fs/pipe.c: add ->statfs callback for pipefs 2011-10-31 17:30:51 -07:00
pnode.c
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pnode.h
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posix_acl.c vfs: pass all mask flags check_acl and posix_acl_permission 2011-10-28 14:58:54 +02:00
read_write.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
read_write.h
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readdir.c
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select.c
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seq_file.c
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signalfd.c
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splice.c
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stack.c filesystems: add set_nlink() 2011-11-02 12:53:43 +01:00
stat.c readlinkat: ensure we return ENOENT for the empty pathname for normal lookups 2011-11-02 12:53:42 +01:00
statfs.c
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super.c vfs: ignore error on forced remount 2011-11-02 12:53:42 +01:00
sync.c
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timerfd.c
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utimes.c
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xattr.c
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xattr_acl.c
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