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Eric Paris 4231a23530 fanotify: implement fanotify listener ordering 
The fanotify listeners needs to be able to specify what types of operations
they are going to perform so they can be ordered appropriately between other
listeners doing other types of operations.  They need this to be able to make
sure that things like hierarchichal storage managers will get access to inodes
before processes which need the data.  This patch defines 3 possible uses
which groups must indicate in the fanotify_init() flags.

FAN_CLASS_PRE_CONTENT
FAN_CLASS_CONTENT
FAN_CLASS_NOTIF

Groups will receive notification in that order.  The order between 2 groups in
the same class is undeterministic.

FAN_CLASS_PRE_CONTENT is intended to be used by listeners which need access to
the inode before they are certain that the inode contains it's final data.  A
hierarchical storage manager should choose to use this class.

FAN_CLASS_CONTENT is intended to be used by listeners which need access to the
inode after it contains its intended contents.  This would be the appropriate
level for an AV solution or document control system.

FAN_CLASS_NOTIF is intended for normal async notification about access, much the
same as inotify and dnotify.  Syncronous permissions events are not permitted
at this class.

Signed-off-by: Eric Paris <eparis@redhat.com>
 		2010-10-28 17:22:13 -04:00
..
9p 9p: Add datasync to client side TFSYNC/RFSYNC for dotl 2010-10-28 09:08:49 -05:00
adfs Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:01 -07:00
affs new helper: ihold() 2010-10-25 21:26:11 -04:00
afs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
autofs4 fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
befs fix typos concerning "initiali[zs]e" 2010-06-16 18:05:05 +02:00
bfs new helper: ihold() 2010-10-25 21:26:11 -04:00
btrfs new helper: ihold() 2010-10-25 21:26:11 -04:00
cachefiles llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
ceph writeback: remove nonblocking/encountered_congestion references 2010-10-26 16:52:05 -07:00
cifs writeback: remove nonblocking/encountered_congestion references 2010-10-26 16:52:05 -07:00
coda new helper: ihold() 2010-10-25 21:26:11 -04:00
configfs fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
cramfs cramfs: only unlock new inodes 2010-08-18 01:01:33 -04:00
debugfs fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
devpts Simplify devpts_get_sb() failure exits 2010-05-21 18:31:12 -04:00
dlm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm 2010-10-22 17:33:16 -07:00
ecryptfs Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2010-10-24 13:41:39 -07:00
efs
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exofs new helper: ihold() 2010-10-25 21:26:11 -04:00
exportfs exportfs: use dget_parent 2010-10-25 21:26:13 -04:00
ext2 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-10-27 20:13:18 -07:00
ext3 Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-10-27 20:13:18 -07:00
ext4 ext4: fix compile with CONFIG_EXT4_FS_XATTR disabled 2010-10-28 09:29:17 -07:00
fat Merge branch 'for-2.6.37/barrier' of git://git.kernel.dk/linux-2.6-block 2010-10-22 17:07:18 -07:00
freevxfs fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
fscache Add a dummy printk function for the maintenance of unused printks 2010-08-12 09:51:35 -07:00
fuse fuse: use release_pages() 2010-10-27 18:03:17 -07:00
gfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
hfs switch hfs to hlist_add_fake() 2010-10-25 21:24:16 -04:00
hfsplus Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/hch/hfsplus 2010-10-28 09:32:05 -07:00
hostfs hostfs: code cleanups 2010-10-26 16:52:12 -07:00
hpfs Merge branch 'vfs' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:01 -07:00
hppfs llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
hugetlbfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
isofs isofs: work-around for Rock Ridge+Joliet CDs with empty ISO root directory 2010-10-27 18:03:08 -07:00
jbd Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-10-27 20:13:18 -07:00
jbd2 Merge branch 'upstream-merge' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 2010-10-27 21:54:31 -07:00
jffs2 new helper: ihold() 2010-10-25 21:26:11 -04:00
jfs new helper: ihold() 2010-10-25 21:26:11 -04:00
lockd lockd: fix nlmsvc_notify_blocked locking 2010-10-27 21:39:50 +02:00
logfs new helper: ihold() 2010-10-25 21:26:11 -04:00
minix new helper: ihold() 2010-10-25 21:26:11 -04:00
ncpfs ncpfs: Lock socket in ncpfs while setting its callbacks 2010-10-05 11:02:14 +02:00
nfs Merge branch 'flock' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-27 18:13:34 -07:00
nfs_common
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nfsd Merge branch 'flock' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-27 18:13:34 -07:00
nilfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
nls
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notify fanotify: implement fanotify listener ordering 2010-10-28 17:22:13 -04:00
ntfs new helper: ihold() 2010-10-25 21:26:11 -04:00
ocfs2 fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
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 zero i_uid/i_gid on inode allocation 2009-01-05 11:54:28 -05:00
partitions Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block 2010-10-25 07:45:10 -07:00
proc /proc/stat: fix scalability of irq sum of all cpu 2010-10-27 18:03:13 -07:00
qnx4 BKL: remove BKL from qnx4 2010-10-21 18:48:04 +02:00
quota quota: Fix possible oops in __dquot_initialize() 2010-10-28 01:30:06 +02:00
ramfs fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
reiserfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
romfs llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
squashfs Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
sysfs Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6 2010-10-22 19:36:42 -07:00
sysv new helper: ihold() 2010-10-25 21:26:11 -04:00
ubifs new helper: ihold() 2010-10-25 21:26:11 -04:00
udf new helper: ihold() 2010-10-25 21:26:11 -04:00
ufs new helper: ihold() 2010-10-25 21:26:11 -04:00
xfs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 2010-10-27 20:13:18 -07:00
Kconfig Merge 'staging-next' to Linus's tree 2010-10-28 09:44:56 -07:00
Kconfig.binfmt coredump: default CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y 2010-10-27 18:03:12 -07:00
Makefile Merge 'staging-next' to Linus's tree 2010-10-28 09:44:56 -07:00
aio.c new helper: ihold() 2010-10-25 21:26:11 -04:00
anon_inodes.c fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
attr.c check ATTR_SIZE contraints in inode_change_ok 2010-08-09 16:47:39 -04:00
bad_inode.c bkl: Remove locked .ioctl file operation 2010-08-14 00:24:24 +02:00
binfmt_aout.c Don't dump task struct in a.out core-dumps 2010-10-14 10:57:40 -07:00
binfmt_elf.c ARM: 6342/1: fix ASLR of PIE executables 2010-10-08 10:02:53 +01:00
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 fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
binfmt_script.c Make do_execve() take a const filename pointer 2010-08-17 18:07:43 -07:00
binfmt_som.c
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bio-integrity.c fs/bio-integrity.c: return -ENOMEM on kmalloc failure 2010-08-23 13:36:59 +02:00
bio.c block: unify flags for struct bio and struct request 2010-08-07 18:20:39 +02:00
block_dev.c fs: inode split IO and LRU lists 2010-10-25 21:26:15 -04:00
buffer.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
char_dev.c Merge branch 'llseek' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-22 10:52:56 -07:00
compat.c Merge 'staging-next' to Linus's tree 2010-10-28 09:44:56 -07:00
compat_binfmt_elf.c
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compat_ioctl.c Merge 'staging-next' to Linus's tree 2010-10-28 09:44:56 -07:00
dcache.c fs: use RCU read side protection in d_validate 2010-10-25 21:26:13 -04:00
dcookies.c
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direct-io.c fs/direct-io.c: fix truncation error in dio_complete() return 2010-10-26 16:52:13 -07:00
drop_caches.c simplify checks for I_CLEAR/I_FREEING 2010-08-09 16:47:44 -04:00
eventfd.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
eventpoll.c epoll: make epoll_wait() use the hrtimer range feature 2010-10-27 18:03:18 -07:00
exec.c exec: don't turn PF_KTHREAD off when a target command was not found 2010-10-27 18:03:13 -07:00
fcntl.c fasync: Fix placement of FASYNC flag comment 2010-10-27 18:17:02 -07:00
fifo.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
file.c vfs: use kmalloc() to allocate fdmem if possible 2010-08-11 08:59:02 -07:00
file_table.c fs: allow for more than 2^31 files 2010-10-26 16:52:15 -07:00
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 2010-10-26 17:58:44 -07:00
fs_struct.c fs: fs_struct rwlock to spinlock 2010-08-18 08:35:46 -04:00
generic_acl.c vfs: update ctime when changing the file's permission by setfacl 2010-08-18 01:04:22 -04:00
inode.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6 2010-10-26 17:58:44 -07:00
internal.h split invalidate_inodes() 2010-10-25 21:27:18 -04:00
ioctl.c fs: Add FITRIM ioctl 2010-10-27 21:30:11 -04:00
ioprio.c
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libfs.c new helper: ihold() 2010-10-25 21:26:11 -04:00
locks.c Merge branch 'flock' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/bkl 2010-10-27 18:13:34 -07:00
mbcache.c mbcache: Limit the maximum number of cache entries 2010-08-18 06:24:41 -04:00
mpage.c
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namei.c new helper: ihold() 2010-10-25 21:26:11 -04:00
namespace.c vfs: fix infinite loop caused by clone_mnt race 2010-10-25 21:24:16 -04:00
nfsctl.c
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no-block.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
open.c fs: cleanup files_lock locking 2010-08-18 08:35:47 -04:00
pipe.c fs: do not assign default i_ino in new_inode 2010-10-25 21:26:11 -04:00
pnode.c fs: brlock vfsmount_lock 2010-08-18 08:35:48 -04:00
pnode.h
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posix_acl.c
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read_write.c vfs: introduce FMODE_UNSIGNED_OFFSET for allowing negative f_pos 2010-10-25 21:18:21 -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 epoll: make epoll_wait() use the hrtimer range feature 2010-10-27 18:03:18 -07:00
seq_file.c fs: take dcache_lock inside __d_path 2010-10-25 21:26:12 -04:00
signalfd.c Merge branch 'hwpoison' of git://git.kernel.org/pub/scm/linux/kernel/git/ak/linux-mce-2.6 2010-10-26 10:13:10 -07:00
splice.c splice: fix misuse of SPLICE_F_NONBLOCK 2010-08-07 18:52:56 +02:00
stack.c
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stat.c Mark arguments to certain syscalls as being const 2010-08-13 16:53:13 -07:00
statfs.c add f_flags to struct statfs(64) 2010-08-09 16:48:44 -04:00
super.c split invalidate_inodes() 2010-10-25 21:27:18 -04:00
sync.c get rid of file_fsync() 2010-08-09 16:47:43 -04:00
timerfd.c llseek: automatically add .llseek fop 2010-10-15 15:53:27 +02:00
utimes.c Mark arguments to certain syscalls as being const 2010-08-13 16:53:13 -07:00
xattr.c fs: xattr_handler table should be const 2010-05-21 18:31:18 -04:00
xattr_acl.c
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