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OpenCloudOS-Kernel
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Trond Myklebust 9eaef27b36 [PATCH] VFS: Make d_materialise_unique() enforce directory uniqueness 
If the caller tries to instantiate a directory using an inode that already
has a dentry alias, then we attempt to rename the existing dentry instead
of instantiating a new one.  Fail with an ELOOP error if the rename would
affect one of our parent directories.

This behaviour is needed in order to avoid issues such as

  http://bugzilla.kernel.org/show_bug.cgi?id=7178

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Maneesh Soni <maneesh@in.ibm.com>
Cc: Dipankar Sarma <dipankar@in.ibm.com>
Cc: Neil Brown <neilb@cse.unsw.edu.au>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2006-10-21 13:35:06 -07:00
..
9p [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
adfs [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
affs [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
afs [PATCH] fs/*: use BUILD_BUG_ON 2006-10-11 11:14:23 -07:00
autofs [PATCH] autofs3: Make sure all dentries refs are released before calling kill_anon_super() 2006-10-20 10:26:38 -07:00
autofs4 [PATCH] AUTOFS: Make sure all dentries refs are released before calling kill_anon_super() 2006-10-11 11:14:25 -07:00
befs [PATCH] befs: endianness annotations 2006-10-10 16:15:33 -07:00
bfs [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
cifs [PATCH] new cifs endianness bugs 2006-10-15 11:00:58 -07:00
coda [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
configfs configfs: handle kzalloc() failure in check_perm() 2006-10-20 15:29:00 -07:00
cramfs [PATCH] cramfs: make cramfs_uncompress_exit() return void 2006-09-29 09:18:20 -07:00
debugfs debugfs: spelling fix 2006-10-03 23:28:36 +02:00
devpts [PATCH] inode-diet: Eliminate i_blksize from the inode structure 2006-09-27 08:26:18 -07:00
dlm [DLM] fix iovec length in recvmsg 2006-10-20 09:13:10 -04:00
ecryptfs [PATCH] ecryptfs: use special_file() 2006-10-20 10:26:35 -07:00
efs [PATCH] Really ignore kmem_cache_destroy return value 2006-09-27 08:26:10 -07:00
exportfs [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers 2006-10-03 08:03:40 -07:00
ext2 [PATCH] ext2: errors behaviour fix 2006-10-11 11:14:21 -07:00
ext3 [PATCH] ext3: errors behaviour fix 2006-10-11 11:14:21 -07:00
ext4 [PATCH] ext4 whitespace cleanups 2006-10-11 11:14:19 -07:00
fat [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
freevxfs [PATCH] freevxfs: fix leak on error path 2006-09-29 09:18:20 -07:00
fuse [PATCH] fuse: fix dereferencing dentry parent 2006-10-17 08:18:45 -07:00
gfs2 [GFS2] gfs2_dir_read_data(): fix uninitialized variable usage 2006-10-20 09:16:20 -04:00
hfs [PATCH] r/o bind mounts: monitor zeroing of i_nlink 2006-10-01 00:39:30 -07:00
hfsplus fix file specification in comments 2006-10-03 23:01:26 +02:00
hostfs [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
hpfs [PATCH] hpfs endianness annotations 2006-10-10 16:15:34 -07:00
hppfs [PATCH] hppfs: readdir callback missed in prototype change 2006-10-09 14:19:08 -07:00
hugetlbfs [PATCH] hugetlb: fix linked list corruption in unmap_hugepage_range() 2006-10-11 11:14:15 -07:00
isofs [PATCH] isofs endianness annotations 2006-10-10 16:15:34 -07:00
jbd [PATCH] ext3/4: fix J_ASSERT(transaction->t_updates > 0) in journal_stop() 2006-10-20 10:26:44 -07:00
jbd2 [PATCH] ext3/4: fix J_ASSERT(transaction->t_updates > 0) in journal_stop() 2006-10-20 10:26:44 -07:00
jffs [PATCH] r/o bind mounts: unlink: monitor i_nlink 2006-10-01 00:39:30 -07:00
jffs2 [PATCH] fs/*: use BUILD_BUG_ON 2006-10-11 11:14:23 -07:00
jfs JFS: White space cleanup 2006-10-02 09:55:27 -05:00
lockd [PATCH] lockd endianness annotations 2006-10-20 10:26:40 -07:00
minix [PATCH] fs/*: use BUILD_BUG_ON 2006-10-11 11:14:23 -07:00
msdos [PATCH] r/o bind mounts: monitor zeroing of i_nlink 2006-10-01 00:39:30 -07:00
ncpfs [PATCH] wrong order of arguments in copy_to_user() in ncpfs 2006-10-09 14:19:08 -07:00
nfs [PATCH] VFS: Make d_materialise_unique() enforce directory uniqueness 2006-10-21 13:35:06 -07:00
nfs_common [PATCH] nfs_common endianness annotations 2006-10-20 10:26:41 -07:00
nfsd [PATCH] nfsd: nfs_replay_me 2006-10-20 10:26:43 -07:00
nls fix file specification in comments 2006-10-03 23:01:26 +02:00
ntfs [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
ocfs2 ocfs2: cond_resched() in ocfs2_zero_extend() 2006-10-20 15:27:48 -07:00
openpromfs Move several *_SUPER_MAGIC symbols to include/linux/magic.h. 2006-09-24 11:13:19 -04:00
partitions [PATCH] fs/partitions/check: add sysfs error handling 2006-10-17 08:18:47 -07:00
proc [PATCH] OOM killer meets userspace headers 2006-10-20 10:26:38 -07:00
qnx4 [PATCH] r/o bind mounts: monitor zeroing of i_nlink 2006-10-01 00:39:30 -07:00
ramfs [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
reiserfs [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
romfs [PATCH] Really ignore kmem_cache_destroy return value 2006-09-27 08:26:10 -07:00
smbfs [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
sysfs sysfs: update obsolete comment in sysfs_update_file 2006-10-18 12:49:54 -07:00
sysv [PATCH] fs/*: use BUILD_BUG_ON 2006-10-11 11:14:23 -07:00
udf [PATCH] UDF: Fix mounting read-write 2006-10-05 16:18:55 -07:00
ufs [PATCH] ufs endianness annotations 2006-10-10 16:15:34 -07:00
vfat [PATCH] r/o bind mounts: monitor zeroing of i_nlink 2006-10-01 00:39:30 -07:00
xfs [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
Kconfig [PATCH] fs/Kconfig: move GENERIC_ACL, fix acl() call errors 2006-10-20 10:26:38 -07:00
Kconfig.binfmt [PATCH] frv: suppress configuration of certain features for FRV 2006-01-08 20:13:36 -08:00
Makefile [PATCH] jbd2: enable building of jbd2 and have ext4 use it rather than jbd 2006-10-11 11:14:16 -07:00
aio.c [PATCH] pr_debug: aio: use size_t length modifier in pr_debug format arguments 2006-10-03 08:04:19 -07:00
attr.c [PATCH] capable/capability.h (fs/) 2006-01-11 18:42:13 -08:00
bad_inode.c [PATCH] Remove readv/writev methods and use aio_read/aio_write instead 2006-10-01 00:39:28 -07:00
binfmt_aout.c [PATCH] Require mmap handler for a.out executables 2006-09-29 09:18:08 -07:00
binfmt_elf.c [PATCH] Fix core files so they make sense to gdb... 2006-10-15 11:24:49 -07:00
binfmt_elf_fdpic.c [PATCH] elf_fdpic_core_dump: don't take tasklist_lock 2006-09-29 09:18:14 -07:00
binfmt_em86.c
…
binfmt_flat.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
binfmt_misc.c [PATCH] Fix unserialized task->files changing 2006-09-29 09:18:12 -07:00
binfmt_script.c
…
binfmt_som.c [PARISC] Fix fs/binfmt_som.c 2006-10-04 06:51:26 -06:00
bio.c [PATCH] fs/bio.c: tweaks 2006-10-11 11:14:25 -07:00
block_dev.c [PATCH] Streamline generic_file_* interfaces and filemap cleanups 2006-10-01 00:39:28 -07:00
buffer.c [PATCH] Fix IO error reporting on fsync() 2006-10-17 08:18:46 -07:00
char_dev.c [PATCH] BLOCK: Move extern declarations out of fs/*.c into header files [try #6] 2006-09-30 20:52:18 +02:00
compat.c [PATCH] more fs/compat.c __user annotations 2006-10-10 15:37:20 -07:00
compat_ioctl.c [PATCH] 32-bit compatibility HDIO IOCTLs 2006-10-11 11:14:22 -07:00
dcache.c [PATCH] VFS: Make d_materialise_unique() enforce directory uniqueness 2006-10-21 13:35:06 -07:00
dcookies.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
direct-io.c [PATCH] lockdep: annotate direct io 2006-07-03 15:27:06 -07:00
dnotify.c [PATCH] file: modify struct fown_struct to use a struct pid 2006-10-02 07:57:14 -07:00
dquot.c [PATCH] dquot: add proper locking when using current->signal->tty 2006-09-29 09:18:14 -07:00
drop_caches.c [PATCH] drop-pagecache 2006-01-08 20:12:40 -08:00
eventpoll.c [PATCH] epoll_pwait() 2006-10-11 11:14:21 -07:00
exec.c [PATCH] namespaces: utsname: switch to using uts namespaces 2006-10-02 07:57:21 -07:00
fcntl.c [PATCH] file: Add locking to f_getown 2006-10-02 07:57:15 -07:00
fifo.c [PATCH] pipe.c/fifo.c code cleanups 2006-04-11 13:53:33 +02:00
file.c [PATCH] expand_fdtable(): remove pointless unlock+lock 2006-09-29 09:18:25 -07:00
file_table.c [PATCH] file: modify struct fown_struct to use a struct pid 2006-10-02 07:57:14 -07:00
filesystems.c [PATCH] Ban register_filesystem(NULL); 2006-09-29 09:18:20 -07:00
fs-writeback.c [PATCH] BLOCK: Remove dependence on existence of blockdev_superblock [try #6] 2006-09-30 20:52:26 +02:00
generic_acl.c [PATCH] Generic infrastructure for acls 2006-09-29 09:18:24 -07:00
inode.c [PATCH] Take i_mutex in splice_from_pipe() 2006-10-19 20:53:08 +02:00
inotify.c [PATCH] inotify (4/5): allow watch removal from event handler 2006-06-20 05:25:19 -04:00
inotify_user.c [PATCH] inotify: fix deadlock found by lockdep 2006-07-31 13:28:41 -07:00
internal.h [PATCH] CONFIG_BLOCK internal.h cleanups 2006-09-30 20:52:32 +02:00
ioctl.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
ioprio.c [PATCH] block layer: ioprio_best function fix 2006-10-12 15:09:51 +02:00
libfs.c [PATCH] r/o bind mount prepwork: inc_nlink() helper 2006-10-01 00:39:30 -07:00
locks.c [PATCH] file: modify struct fown_struct to use a struct pid 2006-10-02 07:57:14 -07:00
mbcache.c [PATCH] mbcache: add lock annotation for __mb_cache_entry_release_unlock() 2006-09-29 09:18:07 -07:00
mpage.c [PATCH] BLOCK: Dissociate generic_writepages() from mpage stuff [try #6] 2006-09-30 20:52:26 +02:00
namei.c [PATCH] r/o bind mount prepwork: move open_namei()'s vfs_create() 2006-10-01 00:39:30 -07:00
namespace.c [PATCH] namespaces: incorporate fs namespace into nsproxy 2006-10-02 07:57:20 -07:00
nfsctl.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
no-block.c [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
open.c [PATCH] r/o bind mounts: prepare for write access checks: collapse if() 2006-10-01 00:39:30 -07:00
pipe.c [PATCH] Some cleanup in the pipe code 2006-10-01 00:39:33 -07:00
pnode.c [PATCH] core: use list_move() 2006-06-26 09:58:17 -07:00
pnode.h [PATCH] unbindable mounts 2005-11-07 18:18:11 -08:00
posix_acl.c [PATCH] kmemdup: some users 2006-10-01 00:39:19 -07:00
quota.c [PATCH] BLOCK: Make it possible to disable the block layer [try #6] 2006-09-30 20:52:31 +02:00
quota_v1.c
…
quota_v2.c [PATCH] sem2mutex: quota 2006-03-23 07:38:11 -08:00
read_write.c [PATCH] Add vector AIO support 2006-10-01 00:39:29 -07:00
read_write.h [PATCH] Remove readv/writev methods and use aio_read/aio_write instead 2006-10-01 00:39:28 -07:00
readdir.c [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers 2006-10-03 08:03:40 -07:00
select.c [PATCH] enforce RLIMIT_NOFILE in poll() 2006-09-29 09:18:23 -07:00
seq_file.c [PATCH] sem2mutex: fs/seq_file.c 2006-03-23 07:38:12 -08:00
splice.c [PATCH] Remove SUID when splicing into an inode 2006-10-19 20:53:09 +02:00
stat.c [PATCH] VFS: Make filldir_t and struct kstat deal in 64-bit inode numbers 2006-10-03 08:03:40 -07:00
super.c [PATCH] VFS: Destroy the dentries contributed by a superblock on unmounting 2006-10-11 11:14:25 -07:00
sync.c [PATCH] BLOCK: Move functions out of buffer code [try #6] 2006-09-30 20:31:19 +02:00
utimes.c [PATCH] Create fs/utimes.c 2006-10-01 00:39:19 -07:00
xattr.c [PATCH] Introduce vfs_listxattr 2006-10-09 14:20:38 -07:00
xattr_acl.c
…