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Yuichi Nakamura 788e7dd4c2 SELinux: Improve read/write performance 
It reduces the selinux overhead on read/write by only revalidating
permissions in selinux_file_permission if the task or inode labels have
changed or the policy has changed since the open-time check.  A new LSM
hook, security_dentry_open, is added to capture the necessary state at open
time to allow this optimization.

(see http://marc.info/?l=selinux&m=118972995207740&w=2)

Signed-off-by: Yuichi Nakamura<ynakam@hitachisoft.jp>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: James Morris <jmorris@namei.org>
 		2007-10-17 08:59:31 +10:00
..
9p 9PFS: clean up explicit check for mandatory locks 2007-10-09 18:32:46 -04:00
adfs fs: adfs convert to new aops 2007-10-16 09:42:57 -07:00
affs fs: affs convert to new aops 2007-10-16 09:42:58 -07:00
afs Merge branch 'locks' of git://linux-nfs.org/~bfields/linux 2007-10-15 16:07:40 -07:00
autofs Replace pid_t in autofs with struct pid reference 2007-05-11 08:29:36 -07:00
autofs4 autofs4: deadlock during create 2007-08-22 19:52:46 -07:00
befs mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
bfs bfs: convert to new aops 2007-10-16 09:42:56 -07:00
cifs [CIFS] Check return code on failed alloc 2007-08-18 00:15:20 +00:00
coda coda: remove CODA_STORE/CODA_RELEASE upcalls 2007-07-21 17:49:14 -07:00
configfs implement simple fs aops 2007-10-16 09:42:55 -07:00
cramfs mm: make read_cache_page synchronous 2007-05-07 12:12:51 -07:00
debugfs docbook: fix filesystems content 2007-10-15 17:56:36 -07:00
devpts devpts: add fsnotify create event 2007-05-08 11:14:59 -07:00
dlm Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/driver-2.6 2007-10-12 15:49:37 -07:00
ecryptfs ecryptfs: clean up page flag handling 2007-10-16 09:43:12 -07:00
efs mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
exportfs knfsd: exportfs: split out reconnecting a dentry from find_exported_dentry 2007-07-17 10:23:06 -07:00
ext2 fs: restore nobh 2007-10-16 09:42:58 -07:00
ext3 ext3: convert to new aops 2007-10-16 09:42:55 -07:00
ext4 ext4: convert to new aops 2007-10-16 09:42:55 -07:00
fat fat: convert to new aops 2007-10-16 09:42:55 -07:00
freevxfs mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
fuse fuse: convert to new aops 2007-10-16 09:42:57 -07:00
gfs2 gfs2: convert to new aops 2007-10-16 09:42:55 -07:00
hfs hfs: convert to new aops 2007-10-16 09:42:56 -07:00
hfsplus hfsplus: convert to new aops 2007-10-16 09:42:56 -07:00
hostfs uml: fix hostfs style 2007-10-16 09:43:07 -07:00
hpfs hpfs: convert to new aops 2007-10-16 09:42:56 -07:00
hppfs
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hugetlbfs hugetlbfs read() support 2007-10-16 09:43:03 -07:00
isofs isofs: mounting to regular file may succeed 2007-07-31 15:39:41 -07:00
jbd Group short-lived and reclaimable kernel allocations 2007-10-16 09:43:00 -07:00
jbd2 mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
jffs2 jffs2: convert to new aops 2007-10-16 09:42:57 -07:00
jfs fs: restore nobh 2007-10-16 09:42:58 -07:00
lockd NFS/SUNRPC: use transport protocol naming 2007-10-09 17:17:53 -04:00
minix minixfs: convert to new aops 2007-10-16 09:42:57 -07:00
msdos
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ncpfs NCP: delete test of long-deceased CONFIG_NCPFS_DEBUGDENTRY 2007-07-31 15:39:41 -07:00
nfs nfs: convert to new aops 2007-10-16 09:42:57 -07:00
nfs_common
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nfsd fs/nfsd/export.c: make 3 functions static 2007-10-16 09:43:10 -07:00
nls NLS: Remove obsolete Makefile entries 2007-07-16 09:05:52 -07:00
ntfs NTFS: Fix a mount time deadlock. 2007-10-12 09:16:30 -07:00
ocfs2 ocfs2: convert to new aops 2007-10-16 09:42:58 -07:00
openpromfs mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
partitions fs/partitions/sun.c endianness annotations 2007-10-14 12:41:51 -07:00
proc Print out statistics in relation to fragmentation avoidance to /proc/pagetypeinfo 2007-10-16 09:43:00 -07:00
qnx4 qnx4: convert to new aops 2007-10-16 09:42:56 -07:00
ramfs implement simple fs aops 2007-10-16 09:42:55 -07:00
reiserfs reiserfs: use generic_cont_expand_simple 2007-10-16 09:42:56 -07:00
romfs mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
smbfs smbfs: convert to new aops 2007-10-16 09:42:57 -07:00
sysfs implement simple fs aops 2007-10-16 09:42:55 -07:00
sysv sysv: convert to new aops 2007-10-16 09:42:57 -07:00
udf udf: convert to new aops 2007-10-16 09:42:57 -07:00
ufs ufs: convert to new aops 2007-10-16 09:42:57 -07:00
vfat
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xfs xfs: convert to new aops 2007-10-16 09:42:55 -07:00
Kconfig Merge git://git.linux-nfs.org/pub/linux/nfs-2.6 2007-10-15 10:47:35 -07:00
Kconfig.binfmt fs: Kill sh dependency for binfmt_flat. 2007-05-21 14:34:00 +09:00
Makefile signal/timer/event: eventfd core 2007-05-11 08:29:36 -07:00
aio.c AIO: fix cleanup in io_submit_one(...) 2007-10-08 12:58:14 -07:00
anon_inodes.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/avi/kvm 2007-07-17 11:50:26 -07:00
attr.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
bad_inode.c sendfile: remove bad_sendfile() from bad_file_ops 2007-07-10 08:04:15 +02:00
binfmt_aout.c
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binfmt_elf.c remove ZERO_PAGE 2007-10-16 09:42:53 -07:00
binfmt_elf_fdpic.c remove ZERO_PAGE 2007-10-16 09:42:53 -07:00
binfmt_em86.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
binfmt_flat.c binfmt_flat: checkpatch fixing minimum support for the blackfin relocations 2007-10-03 23:43:57 +08:00
binfmt_misc.c mm: variable length argument support 2007-07-19 10:04:45 -07:00
binfmt_script.c mm: variable length argument support 2007-07-19 10:04:45 -07:00
binfmt_som.c
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bio.c bio: make freeing of ->bi_io_vec conditional in bio_free() 2007-10-16 11:03:52 +02:00
block_dev.c block_dev: convert to new aops 2007-10-16 09:42:55 -07:00
buffer.c Group short-lived and reclaimable kernel allocations 2007-10-16 09:43:00 -07:00
char_dev.c unregister_chrdev() return void 2007-07-19 10:04:43 -07:00
compat.c mm: variable length argument support 2007-07-19 10:04:45 -07:00
compat_ioctl.c Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2007-10-11 19:40:14 -07:00
dcache.c Group short-lived and reclaimable kernel allocations 2007-10-16 09:43:00 -07:00
dcookies.c Remove fs.h from mm.h 2007-07-29 17:09:29 -07:00
direct-io.c remove ZERO_PAGE 2007-10-16 09:42:53 -07:00
dnotify.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
dquot.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
drop_caches.c invalidate_mapping_pages(): add cond_resched 2007-07-16 09:05:36 -07:00
eventfd.c eventfd use waitqueue lock ... 2007-05-18 13:09:34 -07:00
eventpoll.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
exec.c signalfd simplification 2007-09-20 13:19:59 -07:00
fcntl.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
fifo.c Detach sched.h from mm.h 2007-05-21 09:18:19 -07:00
file.c
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file_table.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
filesystems.c add filesystem subtype support 2007-05-08 11:15:01 -07:00
fs-writeback.c Fix warnings with !CONFIG_BLOCK 2007-10-10 09:25:57 +02:00
generic_acl.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
inode.c lockdep: fixup the inode dir annotation 2007-10-16 10:01:50 -07:00
inotify.c Introduce a handy list_first_entry macro 2007-05-08 11:15:11 -07:00
inotify_user.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
internal.h cleanup compat ioctl handling 2007-05-08 11:15:09 -07:00
ioctl.c drop obsolete sys_ioctl export 2007-07-16 09:05:48 -07:00
ioprio.c
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libfs.c fs: introduce write_begin, write_end, and perform_write aops 2007-10-16 09:42:55 -07:00
locks.c Rework /proc/locks via seq_files and seq_list helpers 2007-10-09 18:32:46 -04:00
mbcache.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
mpage.c mm: buffered write cleanup 2007-10-16 09:42:54 -07:00
namei.c fs: introduce write_begin, write_end, and perform_write aops 2007-10-16 09:42:55 -07:00
namespace.c mm: Remove slab destructors from kmem_cache_create(). 2007-07-20 10:11:58 +09:00
nfsctl.c nfsctl: use vfs_path_lookup 2007-07-19 10:04:45 -07:00
no-block.c
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open.c SELinux: Improve read/write performance 2007-10-17 08:59:31 +10:00
pipe.c sched: affine sync wakeups 2007-10-15 17:00:19 +02:00
pnode.c Introduce a handy list_first_entry macro 2007-05-08 11:15:11 -07:00
pnode.h
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posix_acl.c
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quota.c [IA64] Fix build failure in fs/quota.c 2007-07-27 15:40:13 -07:00
quota_v1.c
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quota_v2.c
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read_write.c Cleanup macros for distinguishing mandatory locks 2007-10-09 18:32:46 -04:00
read_write.h
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readdir.c ROUND_UP macro cleanup in fs/(select|compat|readdir).c 2007-05-08 11:15:09 -07:00
select.c Fix select on /proc files without ->poll 2007-09-11 17:21:20 -07:00
seq_file.c [FS] seq_file: Introduce the seq_open_private() 2007-10-10 16:55:33 -07:00
signalfd.c signalfd simplification 2007-09-20 13:19:59 -07:00
splice.c Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block 2007-10-16 10:09:16 -07:00
stack.c
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stat.c header cleaning: don't include smp_lock.h when not used 2007-05-08 11:15:07 -07:00
super.c hugetlbfs: handle empty options string 2007-07-16 09:05:46 -07:00
sync.c Introduce fixed sys_sync_file_range2() syscall, implement on PowerPC and ARM 2007-06-28 11:38:30 -07:00
timerfd.c make timerfd return a u64 and fix the __put_user 2007-07-26 11:35:17 -07:00
utimes.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
xattr.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
xattr_acl.c
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