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kernel-tenderloin-3.0/fs
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Hugh Dickins 095160aee9 sysfs: fix some bin_vm_ops errors 
Commit 86c9508eb1c0ce5aa07b5cf1d36b60c54efc3d7a
"sysfs: don't block indefinitely for unmapped files" in linux-next
crashes the PowerMac G5 when X starts up.  It's caught out by the way
powerpc's pci_mmap of legacy_mem uses shmem_zero_setup(), substituting
a new vma->vm_file whose private_data no longer points to the bin_buffer
(substitution done because some versions of X crash if that mmap fails).

The fix to this is straightforward: the original vm_file is fput() in
that case, so this mmap won't block sysfs at all, so just don't switch
over to bin_vm_ops if vm_file has changed.

But more fixes made before realizing that was the problem:-

It should not be an error if bin_page_mkwrite() finds no underlying
page_mkwrite().

Check that a file already mmap'ed has the same underlying vm_ops
_before_ pointing vma->vm_ops at bin_vm_ops.

If the file being mmap'ed is a shmem/tmpfs file, don't fail the mmap
on CONFIG_NUMA=y, just because that has a set_policy and get_policy:
provide bin_set_policy, bin_get_policy and bin_migrate.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Acked-by: Eric Biederman <ebiederm@aristanetworks.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-03-24 16:38:26 -07:00
..
9p
fs/Kconfig: move 9p out
2009-01-22 13:16:01 +03:00
adfs
fs/Kconfig: move adfs out
2009-01-22 13:15:56 +03:00
affs
fs/Kconfig: move affs out
2009-01-22 13:15:56 +03:00
afs
fs/Kconfig: move afs out
2009-01-22 13:16:01 +03:00
autofs
fs/Kconfig: move autofs, autofs4 out
2009-01-22 13:15:54 +03:00
autofs4
fs/Kconfig: move autofs, autofs4 out
2009-01-22 13:15:54 +03:00
befs
fs/Kconfig: move befs out
2009-01-22 13:15:57 +03:00
bfs
fs/Kconfig: move bfs out
2009-01-22 13:15:57 +03:00
btrfs
Btrfs: Clear space_info full when adding new devices
2009-03-10 13:17:18 -04:00
cifs
[CIFS] Fix multiuser mounts so server does not invalidate earlier security contexts
2009-02-21 03:37:10 +00:00
coda
fs/Kconfig: move coda out
2009-01-22 13:16:01 +03:00
configfs
Revert "configfs: Silence lockdep on mkdir(), rmdir() and configfs_depend_item()"
2009-02-04 09:46:25 -08:00
cramfs
fs/Kconfig: move cramfs out
2009-01-22 13:15:58 +03:00
debugfs
debugfs: add helpers for exporting a size_t simple value
2009-01-07 10:00:16 -08:00
devpts
devpts: remove graffiti
2009-03-10 15:55:11 -07:00
dlm
dlm: initialize file_lock struct in GETLK before copying conflicting lock
2009-01-21 15:28:45 -06:00
ecryptfs
eCryptfs: NULL crypt_stat dereference during lookup
2009-03-22 11:20:43 -07:00
efs
fs/Kconfig: move efs out
2009-01-22 13:15:57 +03:00
exportfs
Merge branch 'next' into for-linus
2008-12-25 11:40:09 +11:00
ext2
ext2/xip: refuse to change xip flag during remount with busy inodes
2009-02-11 14:25:36 -08:00
ext3
ext3: revert "ext3: wait on all pending commits in ext3_sync_fs"
2009-02-11 14:25:35 -08:00
ext4
ext4: fix bb_prealloc_list corruption due to wrong group locking
2009-03-16 23:25:40 -04:00
fat
Fix _fat_bmap() locking
2009-03-11 12:04:18 -07:00
freevxfs
fs/Kconfig: move vxfs out
2009-01-22 13:15:58 +03:00
fuse
Merge branch 'Kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/adobriyan/misc
2009-01-26 10:08:50 -08:00
gfs2
filesystem freeze: add error handling of write_super_lockfs/unlockfs
2009-01-09 16:54:42 -08:00
hfs
fs/Kconfig: move hfs, hfsplus out
2009-01-22 13:15:57 +03:00
hfsplus
fs/Kconfig: move hfs, hfsplus out
2009-01-22 13:15:57 +03:00
hostfs
fs: symlink write_begin allocation context fix
2009-01-04 13:33:20 -08:00
hpfs
fs/Kconfig: move hpfs out
2009-01-22 13:15:59 +03:00
hppfs
CRED: Use creds in file structs
2008-11-14 10:39:25 +11:00
hugetlbfs
Do not account for the address space used by hugetlbfs using VM_ACCOUNT
2009-02-10 10:48:42 -08:00
isofs
fs/Kconfig: move iso9660, udf out
2009-01-22 13:15:55 +03:00
jbd
jbd: fix return value of journal_start_commit()
2009-02-11 14:25:35 -08:00
jbd2
jbd2: Avoid possible NULL dereference in jbd2_journal_begin_ordered_truncate()
2009-02-10 11:15:34 -05:00
jffs2
[JFFS2] fix mount crash caused by removed nodes
2009-02-21 11:09:29 +01:00
jfs
fs/Kconfig: move jfs out
2009-01-22 13:15:54 +03:00
lockd
NLM: Fix GRANT callback address comparison when IPv6 is enabled
2009-03-10 20:33:20 -04:00
minix
Update my email address
2009-03-22 11:28:37 -07:00
ncpfs
fs/Kconfig: move the rest of ncpfs out
2009-01-22 13:16:01 +03:00
nfs
NFS: Fix the fix to Bugzilla #11061, when IPv6 isn't defined...
2009-03-12 14:51:32 -04:00
nfs_common
SUNRPC: nfsacl_encode/nfsacl_decode should be exported as GPL-only
2008-12-23 15:21:32 -05:00
nfsd
NFSD: provide encode routine for OP_OPENATTR
2009-03-17 14:54:45 -04:00
nls
remove CONFIG_KMOD from fs
2008-10-17 02:38:36 +11:00
notify
inotify: fix GFP_KERNEL related deadlock
2009-02-18 15:37:56 -08:00
ntfs
fs/Kconfig: move ntfs out
2009-01-22 13:15:55 +03:00
ocfs2
ocfs2: Use xs->bucket to set xattr value outside
2009-03-12 16:46:09 -07:00
omfs
fs/Kconfig: move omfs out
2009-01-22 13:15:58 +03:00
openpromfs
zero i_uid/i_gid on inode allocation
2009-01-05 11:54:28 -05:00
partitions
Driver core: implement uevent suppress in kobject
2009-03-24 16:38:26 -07:00
proc
Avoid 64-bit "switch()" statements on 32-bit architectures
2009-03-17 10:02:35 -07:00
qnx4
fs/Kconfig: move qnx4 out
2009-01-22 13:15:59 +03:00
ramfs
nommu: ramfs: don't leak pages when adding to page cache fails
2009-03-14 11:57:22 -07:00
reiserfs
fs/Kconfig: move reiserfs out
2009-01-22 13:15:53 +03:00
romfs
fs/Kconfig: move romfs out
2009-01-22 13:15:59 +03:00
smbfs
fs/Kconfig: move smbfs out
2009-01-22 13:16:01 +03:00
squashfs
Squashfs: Valid filesystems are flagged as bad by the corrupted fs patch
2009-03-12 03:23:48 +00:00
sysfs
sysfs: fix some bin_vm_ops errors
2009-03-24 16:38:26 -07:00
sysv
fs/Kconfig: move sysv out
2009-01-22 13:15:59 +03:00
ubifs
UBIFS: remove fast unmounting
2009-01-29 16:34:30 +02:00
udf
fs/Kconfig: move iso9660, udf out
2009-01-22 13:15:55 +03:00
ufs
Update my email address
2009-03-22 11:28:37 -07:00
xfs
xfs: only issues a cache flush on unmount if barriers are enabled
2009-03-06 17:35:12 -06:00
aio.c
aio: lookup_ioctx can return the wrong value when looking up a bogus context
2009-03-19 15:57:18 -07:00
anon_inodes.c
anon_inodes: use fops->owner for module refcount
2008-12-31 16:55:44 +02:00
attr.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
bad_inode.c
kill ->dir_notify()
2008-12-31 18:07:43 -05:00
binfmt_aout.c
sanitize ifdefs in binfmt_aout
2009-01-03 11:45:54 -08:00
binfmt_elf_fdpic.c
FDPIC: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_elf.c
elf core dump: fix get_user use
2009-02-06 17:34:07 -08:00
binfmt_em86.c
Allow recursion in binfmt_script and binfmt_misc
2008-10-16 11:21:38 -07:00
binfmt_flat.c
FLAT: Don't attempt to expand the userspace stack to fill the space allocated
2009-01-08 12:04:47 +00:00
binfmt_misc.c
fs/binfmt_misc.c: add terminating newline to /proc/sys/fs/binfmt_misc/status
2009-01-06 15:59:19 -08:00
binfmt_script.c
Allow recursion in binfmt_script and binfmt_misc
2008-10-16 11:21:38 -07:00
binfmt_som.c
CRED: Make execve() take advantage of copy-on-write credentials
2008-11-14 10:39:24 +11:00
bio-integrity.c
block: Add gfp_mask parameter to bio_integrity_clone()
2009-03-14 21:06:51 +01:00
bio.c
block: fix memory leak in bio_clone()
2009-03-14 21:06:52 +01:00
block_dev.c
filesystem freeze: implement generic freeze feature
2009-01-09 16:54:42 -08:00
buffer.c
Fix race in create_empty_buffers() vs __set_page_dirty_buffers()
2009-03-19 11:32:05 -07:00
char_dev.c
fs: fix name overwrite in __register_chrdev_region()
2009-01-06 15:59:13 -08:00
compat_binfmt_elf.c
…
compat_ioctl.c
Fix FREEZE/THAW compat_ioctl regression
2009-02-27 16:27:45 -08:00
compat.c
CRED: Fix SUID exec regression
2009-02-07 08:46:18 +11:00
dcache.c
EXPORT_SYMBOL(d_obtain_alias) rather than EXPORT_SYMBOL_GPL
2009-02-27 16:26:20 -08:00
dcookies.c
[CVE-2009-0029] System call wrapper special cases
2009-01-14 14:15:18 +01:00
direct-io.c
fs: truncate blocks outside i_size after O_DIRECT write error
2009-01-06 15:59:06 -08:00
dquot.c
quota: Improve locking
2009-01-16 18:02:10 +01:00
drop_caches.c
…
eventfd.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
eventpoll.c
epoll: drop max_user_instances and rely only on max_user_watches
2009-01-29 18:04:45 -08:00
exec.c
CRED: Fix SUID exec regression
2009-02-07 08:46:18 +11:00
fcntl.c
[CVE-2009-0029] System call wrappers part 15
2009-01-14 14:15:24 +01:00
fifo.c
[PATCH] introduce fmode_t, do annotations
2008-10-21 07:47:06 -04:00
file_table.c
filp_cachep can be static in fs/file_table.c
2008-12-31 18:07:42 -05:00
file.c
[PATCH] merge locate_fd() and get_unused_fd()
2008-08-01 11:25:23 -04:00
filesystems.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
fs-writeback.c
fs: new inode i_state corruption fix
2009-03-12 16:20:24 -07:00
generic_acl.c
…
inode.c
fs: new inode i_state corruption fix
2009-03-12 16:20:24 -07:00
internal.h
CRED: Fix SUID exec regression
2009-02-07 08:46:18 +11:00
ioctl.c
[CVE-2009-0029] System call wrappers part 15
2009-01-14 14:15:24 +01:00
ioprio.c
[CVE-2009-0029] System call wrappers part 28
2009-01-14 14:15:30 +01:00
Kconfig
fs/Kconfig: move 9p out
2009-01-22 13:16:01 +03:00
Kconfig.binfmt
CORE_DUMP_DEFAULT_ELF_HEADERS depends on ELF_CORE
2009-01-09 16:54:41 -08:00
libfs.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
2009-01-05 18:32:06 -08:00
locks.c
[CVE-2009-0029] System call wrappers part 16
2009-01-14 14:15:25 +01:00
Makefile
ext4: Reorder fs/Makefile so that ext2 root fs's are mounted using ext2
2009-02-28 09:50:01 -05:00
mbcache.c
…
mpage.c
do_mpage_readpage(): remove useless clear_buffer_mapped() call
2009-01-06 15:59:01 -08:00
namei.c
[CVE-2009-0029] System call wrappers part 29
2009-01-14 14:15:30 +01:00
namespace.c
Fix incomplete __mntput locking
2009-02-17 14:02:08 -08:00
nfsctl.c
[CVE-2009-0029] System call wrappers part 27
2009-01-14 14:15:29 +01:00
no-block.c
…
open.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
pipe.c
pipe_rdwr_fasync: fix the error handling to prevent the leak/crash
2009-03-12 16:20:23 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
CRED: Wrap task credential accesses in the filesystem subsystem
2008-11-14 10:39:05 +11:00
quota_tree.c
quota: Split off quota tree handling into a separate file
2009-01-05 08:40:21 -08:00
quota_tree.h
quota: Split off quota tree handling into a separate file
2009-01-05 08:40:21 -08:00
quota_v1.c
quota: Move quotaio_v[12].h from include/linux/ to fs/
2009-01-05 08:36:58 -08:00
quota_v2.c
quota: Convert union in mem_dqinfo to a pointer
2009-01-05 08:40:21 -08:00
quota.c
[CVE-2009-0029] System call wrappers part 20
2009-01-14 14:15:26 +01:00
quotaio_v1.h
quota: Move quotaio_v[12].h from include/linux/ to fs/
2009-01-05 08:36:58 -08:00
quotaio_v2.h
quota: Split off quota tree handling into a separate file
2009-01-05 08:40:21 -08:00
read_write.c
[CVE-2009-0029] System call wrappers part 20
2009-01-14 14:15:26 +01:00
read_write.h
…
readdir.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
select.c
[CVE-2009-0029] System call wrappers part 32
2009-01-14 14:15:31 +01:00
seq_file.c
seq_file: properly cope with pread
2009-02-18 15:37:53 -08:00
signalfd.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
splice.c
[CVE-2009-0029] System call wrappers part 31
2009-01-14 14:15:31 +01:00
stack.c
…
stat.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
super.c
vfs: add missing unlock in sget()
2009-03-12 16:20:23 -07:00
sync.c
[CVE-2009-0029] System call wrappers part 09
2009-01-14 14:15:21 +01:00
timerfd.c
timerfd: add flags check
2009-02-18 15:37:53 -08:00
utimes.c
[CVE-2009-0029] System call wrappers part 30
2009-01-14 14:15:30 +01:00
xattr_acl.c
…
xattr.c
[CVE-2009-0029] System call wrappers part 13
2009-01-14 14:15:23 +01:00