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Miklos Szeredi 98dc568bc2 vfs: __d_path: dont prepend the name of the root dentry 
In the old times pseudo-filesystems set the name of theroot dentry to
some prefix like "pipe:" and the name of the child dentry to "[123]"
and relied on a hack in __d_path() to replace the preceding slash with
the root's name to get "pipe:[123]".

Then the d_dname() dentry operation was introduced which solved the
same problem without having to pre-fill the name in each dentry.

Currently the following pseudo filesystems exist in the kernel:

perfmon
mtd
anon_inode
bdev
pipe
socket

Of these only perfmon, anon_inode, pipe and socket create
sub-dentries, all of which have now been switched to using d_dname().

bdev and mtd only create inodes.

This means that now the hack to overwrite the slash can be removed, so
for unreachable paths (e.g. within a detached mount) the path string
won't be polluted with garbage.  For these cases a subsequent patch
will add a prefix, indicating that the path is unreachable.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
 		2010-08-11 00:28:21 -04:00
..
9p v9fs: fixup for inode_setattr being removed 2010-08-11 00:08:00 -04:00
adfs check ATTR_SIZE contraints in inode_change_ok 2010-08-09 16:47:39 -04:00
affs AFFS: wait for sb synchronization when needed 2010-08-09 16:48:51 -04:00
afs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
autofs fs/: do not fallback to default_llseek() when readdir() uses BKL 2010-05-27 09:12:56 -07:00
autofs4 fs/autofs4: use memdup_user 2010-05-27 09:12:41 -07:00
befs fix typos concerning "initiali[zs]e" 2010-06-16 18:05:05 +02:00
bfs BFS: clean up the superblock usage 2010-08-09 16:48:53 -04:00
btrfs btrfs: remove junk sb_dirt change 2010-08-09 16:48:55 -04:00
cachefiles vfs: add helpers to get root and pwd 2010-08-11 00:28:20 -04:00
ceph ceph: use complete_all and wake_up_all 2010-07-27 13:11:17 -07:00
cifs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
coda convert remaining ->clear_inode() to ->evict_inode() 2010-08-09 16:48:37 -04:00
configfs fix setattr error handling in sysfs, configfs 2010-06-04 17:16:29 -04:00
cramfs simplify get_cramfs_inode() 2010-08-09 16:47:51 -04:00
debugfs Add x64 support to debugfs 2010-05-19 22:41:57 -04:00
devpts Simplify devpts_get_sb() failure exits 2010-05-21 18:31:12 -04:00
dlm fs/dlm: Drop unnecessary null test 2010-08-05 14:23:45 -05:00
ecryptfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
efs
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exofs convert exofs to ->evict_inode() 2010-08-09 16:48:24 -04:00
exportfs
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ext2 mbcache: Remove unused features 2010-08-09 16:48:45 -04:00
ext3 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
ext4 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
fat covert fatfs to ->evict_inode() 2010-08-09 16:48:01 -04:00
freevxfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
fscache fscache: fix build on !CONFIG_SYSCTL 2010-07-24 11:10:09 +02:00
fuse Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
gfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
hfs convert remaining ->clear_inode() to ->evict_inode() 2010-08-09 16:48:37 -04:00
hfsplus convert remaining ->clear_inode() to ->evict_inode() 2010-08-09 16:48:37 -04:00
hostfs try to get rid of races in hostfs open() 2010-08-09 16:48:15 -04:00
hpfs switch hpfs to ->evict_inode() 2010-08-09 16:48:17 -04:00
hppfs switch hppfs to ->evict_inode() 2010-08-09 16:48:16 -04:00
hugetlbfs new helper: end_writeback() 2010-08-09 16:47:49 -04:00
isofs fs/: do not fallback to default_llseek() when readdir() uses BKL 2010-05-27 09:12:56 -07:00
jbd ext3: Fix set but unused variables 2010-07-21 16:01:47 +02:00
jbd2 Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 2010-08-07 13:03:53 -07:00
jffs2 Merge git://git.infradead.org/mtd-2.6 2010-08-10 11:49:21 -07:00
jfs switch jfs to ->evict_inode() 2010-08-09 16:48:17 -04:00
lockd 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
logfs Make ->drop_inode() just return whether inode needs to be dropped 2010-08-09 16:48:35 -04:00
minix switch minix to ->evict_inode(), fix write_inode/delete_inode race 2010-08-09 16:47:53 -04:00
ncpfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
nfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
nfs_common
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nfsd Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify 2010-08-10 11:39:13 -07:00
nilfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
nls
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notify Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify 2010-08-10 11:39:13 -07:00
ntfs convert remaining ->clear_inode() to ->evict_inode() 2010-08-09 16:48:37 -04:00
ocfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
omfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/bcopeland/omfs 2010-08-10 11:47:36 -07:00
openpromfs
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partitions Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2010-08-06 09:23:07 -07:00
proc vfs: add helpers to get root and pwd 2010-08-11 00:28:20 -04:00
qnx4 get rid of cont_write_begin_newtrunc 2010-08-09 16:47:31 -04:00
quota Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
ramfs check ATTR_SIZE contraints in inode_change_ok 2010-08-09 16:47:39 -04:00
reiserfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
romfs
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smbfs switch smbfs to evict_inode() 2010-08-09 16:48:00 -04:00
squashfs squashfs: fix name reading in squashfs_xattr_get 2010-05-23 08:27:42 +01:00
sysfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
sysv fs/sysv/super.c: add support for non-PDP11 v7 filesystems 2010-08-11 00:24:18 -04:00
ubifs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
udf Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
ufs switch ufs to ->evict_inode() 2010-08-09 16:48:02 -04:00
xfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
Kconfig fs/Kconfig: Fix typo Userpace -> Userspace 2010-07-20 17:30:22 +02:00
Kconfig.binfmt
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Makefile Take statfs variants to fs/statfs.c 2010-05-21 18:31:17 -04:00
aio.c aio: fix wrong subsystem comments 2010-08-05 13:21:23 -07:00
anon_inodes.c Revert "anon_inode: set S_IFREG on the anon_inode" 2010-05-27 22:03:05 -04:00
attr.c check ATTR_SIZE contraints in inode_change_ok 2010-08-09 16:47:39 -04:00
bad_inode.c drop unused dentry argument to ->fsync 2010-05-27 22:05:02 -04:00
binfmt_aout.c
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binfmt_elf.c
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binfmt_elf_fdpic.c binfmt_elf_fdpic: Fix clear_user() error handling 2010-06-01 08:11:06 -07:00
binfmt_em86.c
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binfmt_flat.c flat: tweak default stack alignment 2010-06-29 15:29:31 -07:00
binfmt_misc.c convert remaining ->clear_inode() to ->evict_inode() 2010-08-09 16:48:37 -04:00
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 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
buffer.c get rid of block_write_begin_newtrunc 2010-08-09 16:47:33 -04:00
char_dev.c Fix init ordering of /dev/console vs callers of modprobe 2010-08-06 09:17:02 -07:00
compat.c Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify 2010-08-10 11:39:13 -07:00
compat_binfmt_elf.c
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compat_ioctl.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-08-04 15:31:02 -07:00
dcache.c vfs: __d_path: dont prepend the name of the root dentry 2010-08-11 00:28:21 -04:00
dcookies.c
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direct-io.c sort out blockdev_direct_IO variants 2010-08-09 16:47:29 -04:00
drop_caches.c simplify checks for I_CLEAR/I_FREEING 2010-08-09 16:47:44 -04:00
eventfd.c
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eventpoll.c sched, wait: Use wrapper functions 2010-05-11 17:43:58 +02:00
exec.c Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify 2010-08-10 11:39:13 -07:00
fcntl.c fs/fcntl.c:kill_fasync_rcu() fa_lock must be IRQ-safe 2010-06-29 15:29:32 -07:00
fifo.c
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file.c fs: remove all rcu head initializations, except on_stack initializations 2010-06-14 16:37:26 -07:00
file_table.c vfs/fsnotify: fsnotify_close can delay the final work in fput 2010-07-28 10:18:51 -04:00
filesystems.c
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fs-writeback.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-08-10 11:26:52 -07:00
fs_struct.c vfs: add helpers to get root and pwd 2010-08-11 00:28:20 -04:00
generic_acl.c fs: xattr_handler table should be const 2010-05-21 18:31:18 -04:00
inode.c Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify 2010-08-10 11:39:13 -07:00
internal.h Bury __put_super_and_need_restart() 2010-05-21 18:31:16 -04:00
ioctl.c Introduce freeze_super and thaw_super for the fsfreeze ioctl 2010-05-21 18:31:18 -04:00
ioprio.c
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libfs.c check ATTR_SIZE contraints in inode_change_ok 2010-08-09 16:47:39 -04:00
locks.c
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mbcache.c mbcache: fix shrinker function return value 2010-08-09 16:48:47 -04:00
mpage.c
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namei.c vfs: add helpers to get root and pwd 2010-08-11 00:28:20 -04:00
namespace.c vfs: add helpers to get root and pwd 2010-08-11 00:28:20 -04:00
nfsctl.c
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no-block.c
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open.c Merge branch 'for-linus' of git://git.infradead.org/users/eparis/notify 2010-08-10 11:39:13 -07:00
pipe.c pipe: fix check in "set size" fcntl 2010-06-10 19:08:34 +02:00
pnode.c
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pnode.h
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posix_acl.c
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read_write.c fsnotify: pass a file instead of an inode to open, read, and write 2010-07-28 09:58:32 -04:00
read_write.h
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readdir.c vfs: fix warning: 'dirent' is used uninitialized in this function 2010-08-09 20:45:05 -07:00
select.c
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seq_file.c
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signalfd.c
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splice.c splice: check f_mode for seekable file 2010-06-30 08:12:37 +02:00
stack.c
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stat.c
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statfs.c add f_flags to struct statfs(64) 2010-08-09 16:48:44 -04:00
super.c no need for list_for_each_entry_safe()/resetting with superblock list 2010-08-09 16:49:02 -04:00
sync.c get rid of file_fsync() 2010-08-09 16:47:43 -04:00
timerfd.c fs/timerfd.c: make use of wait_event_interruptible_locked_irq() 2010-05-20 13:21:42 -07:00
utimes.c
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xattr.c fs: xattr_handler table should be const 2010-05-21 18:31:18 -04:00
xattr_acl.c
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