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Christopher Yeoh ac34ebb3a6 aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector() 
A cleanup of rw_copy_check_uvector and compat_rw_copy_check_uvector after
changes made to support CMA in an earlier patch.

Rather than having an additional check_access parameter to these
functions, the first paramater type is overloaded to allow the caller to
specify CHECK_IOVEC_ONLY which means check that the contents of the iovec
are valid, but do not check the memory that they point to.  This is used
by process_vm_readv/writev where we need to validate that a iovec passed
to the syscall is valid but do not want to check the memory that it points
to at this point because it refers to an address space in another process.

Signed-off-by: Chris Yeoh <yeohc@au1.ibm.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-05-31 17:49:32 -07:00
..
9p
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
adfs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
affs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
afs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
autofs4
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
befs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
bfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
btrfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
cachefiles
switch touch_atime to struct path
2012-03-20 21:29:41 -04:00
ceph
introduce SIZE_MAX
2012-05-31 17:49:26 -07:00
cifs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
coda
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
configfs
make configfs_pin_fs() return root dentry on success
2012-03-20 21:29:48 -04:00
cramfs
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-03-21 13:36:41 -07:00
debugfs
debugfs: Add support to print u32 array in debugfs
2012-04-17 00:18:36 -04:00
devpts
userns: Convert devpts to use kuid/kgid where appropriate
2012-05-15 14:59:26 -07:00
dlm
dlm: NULL dereference on failure in kmem_cache_create()
2012-05-15 10:39:28 -05:00
ecryptfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
efs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
exofs
Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd
2012-05-28 13:10:41 -07:00
exportfs
…
ext2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
ext3
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
ext4
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
fat
fat: use fat_msg_ratelimit() in fat__get_entry()
2012-05-31 17:49:28 -07:00
freevxfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
fscache
…
fuse
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
gfs2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
hfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
hfsplus
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
hostfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
hpfs
HPFS: remove PRINTK() macro
2012-05-31 17:49:27 -07:00
hppfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
hugetlbfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
isofs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
jbd
jbd: Write journal superblock with WRITE_FUA after checkpointing
2012-05-15 23:34:37 +02:00
jbd2
jbd2: use GFP_NOFS for blkdev_issue_flush
2012-04-23 21:43:41 -04:00
jffs2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
jfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
lockd
lockd: fix the endianness bug
2012-04-13 13:50:52 -04:00
logfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
minix
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
ncpfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
nfs
NFS client updates for Linux 3.5
2012-05-29 10:43:51 -07:00
nfs_common
…
nfsd
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
nilfs2
nilfs2: flush disk caches in syncing
2012-05-31 17:49:27 -07:00
nls
fs/nls: add Apple NLS
2012-05-31 17:49:32 -07:00
notify
fs/notify/notification.c: make subsys_initcall function static
2012-03-23 16:58:31 -07:00
ntfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
ocfs2
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
omfs
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
openpromfs
switch open-coded instances of d_make_root() to new helper
2012-03-20 21:29:35 -04:00
proc
proc/smaps: show amount of nonlinear ptes in vma
2012-05-31 17:49:29 -07:00
pstore
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
qnx4
qnx4: new helper - try_extent()
2012-03-20 21:29:52 -04:00
qnx6
fs: initial qnx6fs addition
2012-03-20 21:29:38 -04:00
quota
quota: Get rid of nested I_MUTEX_QUOTA locking subclass
2012-05-15 23:34:39 +02:00
ramfs
tidy up after d_make_root() conversion
2012-03-20 21:29:37 -04:00
reiserfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
romfs
MTD merge for 3.4
2012-03-30 17:31:56 -07:00
squashfs
Add an extra mount time sanity check, plus some code cleanups and bug fixes.
2012-03-28 18:05:54 -07:00
sysfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
sysv
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
ubifs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
udf
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
ufs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
xfs
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
aio.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
anon_inodes.c
anon_inodes: move allocation of anon_inode into ->mount()
2012-03-20 21:29:45 -04:00
attr.c
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
2012-05-03 03:29:34 -07:00
bad_inode.c
mm/fs: remove truncate_range
2012-05-29 16:22:23 -07:00
binfmt_aout.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
binfmt_elf_fdpic.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
binfmt_elf.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
binfmt_em86.c
__register_binfmt() made void
2012-03-20 21:29:46 -04:00
binfmt_flat.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
binfmt_misc.c
vfs: Rename end_writeback() to clear_inode()
2012-05-06 13:43:41 +08:00
binfmt_script.c
__register_binfmt() made void
2012-03-20 21:29:46 -04:00
binfmt_som.c
VM: add "vm_mmap()" helper function
2012-04-20 17:29:13 -07:00
bio-integrity.c
fs: remove the second argument of k[un]map_atomic()
2012-03-20 21:48:21 +08:00
bio.c
bio allocation failure due to bio_get_nr_vecs()
2012-05-11 16:45:12 +02:00
block_dev.c
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
buffer.c
block: don't mark buffers beyond end of disk as mapped
2012-05-11 16:42:14 +02:00
char_dev.c
…
compat_binfmt_elf.c
…
compat_ioctl.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
compat.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
dcache.c
mm: add a low limit to alloc_large_system_hash
2012-05-24 00:28:21 -04:00
dcookies.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
direct-io.c
Restore direct_io / truncate locking API
2012-02-23 15:56:21 -08:00
drop_caches.c
…
eventfd.c
eventfd: change int to __u64 in eventfd_signal()
2012-05-31 17:49:32 -07:00
eventpoll.c
epoll: Fix user space breakage related to EPOLLWAKEUP
2012-05-22 20:57:06 +02:00
exec.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
fcntl.c
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
2012-05-03 03:29:34 -07:00
fhandle.c
…
fifo.c
…
file_table.c
vfs: drop_file_write_access() made static
2012-03-20 21:29:32 -04:00
file.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
filesystems.c
…
fs_struct.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
fs-writeback.c
writeback: Avoid iput() from flusher thread
2012-05-06 13:43:41 +08:00
generic_acl.c
…
inode.c
avoid iput() from flusher thread
2012-05-28 09:54:45 -07:00
internal.h
…
ioctl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
ioprio.c
userns: Use uid_eq gid_eq helpers when comparing kuids and kgids in the vfs
2012-05-03 03:29:34 -07:00
Kconfig
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2012-03-21 13:36:41 -07:00
Kconfig.binfmt
C6X: add support to build with BINFMT_ELF_FDPIC
2012-05-15 09:17:34 -04:00
libfs.c
vfs: make it possible to access the dentry hash/len as one 64-bit entry
2012-05-10 19:54:35 -07:00
locks.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
Makefile
fs: initial qnx6fs addition
2012-03-20 21:29:38 -04:00
mbcache.c
…
mount.h
…
mpage.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
namei.c
word-at-a-time: make the interfaces truly generic
2012-05-26 11:33:40 -07:00
namespace.c
…
no-block.c
…
open.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
pipe.c
pipe: return -ENOIOCTLCMD instead of -EINVAL on unknown ioctl command
2012-05-31 17:49:27 -07:00
pnode.c
…
pnode.h
…
posix_acl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
proc_namespace.c
…
read_write.c
aio/vfs: cleanup of rw_copy_check_uvector() and compat_rw_copy_check_uvector()
2012-05-31 17:49:32 -07:00
read_write.h
…
readdir.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
select.c
Merge branch 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2012-03-29 18:12:23 -07:00
seq_file.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
signalfd.c
epoll: ep_unregister_pollwait() can use the freed pwq->whead
2012-02-24 11:42:50 -08:00
splice.c
tcp: tcp_sendpages() should call tcp_push() once
2012-04-05 19:04:27 -04:00
stack.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
stat.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
2012-05-23 17:42:39 -07:00
statfs.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
super.c
The following text was taken from the original review request:
2012-03-24 10:24:31 -07:00
sync.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
timerfd.c
…
utimes.c
…
xattr_acl.c
fs: reduce the use of module.h wherever possible
2012-02-28 19:31:58 -05:00
xattr.c
fs/xattr.c:setxattr(): improve handling of allocation failures
2012-04-05 15:25:50 -07:00