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6b2553918d
linux/fs
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Al Viro 6b2553918d replace ->follow_link() with new method that could stay in RCU mode 
new method: ->get_link(); replacement of ->follow_link().  The differences
are:
	* inode and dentry are passed separately
	* might be called both in RCU and non-RCU mode;
the former is indicated by passing it a NULL dentry.
	* when called that way it isn't allowed to block
and should return ERR_PTR(-ECHILD) if it needs to be called
in non-RCU mode.

It's a flagday change - the old method is gone, all in-tree instances
converted.  Conversion isn't hard; said that, so far very few instances
do not immediately bail out when called in RCU mode.  That'll change
in the next commits.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-12-08 22:41:54 -05:00
..
9p replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
adfs fs/adfs: remove unneeded cast 2015-06-30 19:44:57 -07:00
affs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
afs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
autofs4 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
befs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
bfs
btrfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
cachefiles FS-Cache: Add missing initialization of ret in cachefiles_write_page() 2015-11-16 20:38:43 -05:00
ceph replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
cifs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
coda replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
configfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
cramfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
debugfs debugfs: fix refcount imbalance in start_creating 2015-11-11 02:04:44 -05:00
devpts devpts: if initialization failed, don't crash when opening /dev/ptmx 2015-06-30 19:44:58 -07:00
dlm net: rename SOCK_ASYNC_NOSPACE and SOCK_ASYNC_WAITDATA 2015-12-01 15:45:05 -05:00
ecryptfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
efivarfs
efs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
exofs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
exportfs
ext2 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
ext4 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
f2fs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
fat fat: fix fake_offset handling on error path 2015-11-20 16:17:32 -08:00
freevxfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
fscache FS-Cache: Handle a write to the page immediately beyond the EOF marker 2015-11-11 02:11:02 -05:00
fuse replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
gfs2 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
hfs hfs: fix B-tree corruption after insertion at position 0 2015-09-10 13:29:01 -07:00
hfsplus don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
hostfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
hpfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
hugetlbfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
isofs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
jbd2 Merge branch 'akpm' (patches from Andrew) 2015-11-07 14:32:45 -08:00
jffs2 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
jfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
kernfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
lockd Mainly smaller bugfixes and cleanup. We're still finding some bugs from 2015-11-11 20:11:28 -08:00
logfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
minix replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
ncpfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
nfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
nfs_common lockd: NLM grace period shouldn't block NFSv4 opens 2015-08-13 10:22:06 -04:00
nfsd nfsd: fix race with open / open upgrade stateids 2015-11-10 09:29:45 -05:00
nilfs2 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
nls
notify inotify: actually check for invalid bits in sys_inotify_add_watch() 2015-11-05 19:34:48 -08:00
ntfs mm, fs: introduce mapping_gfp_constraint() 2015-11-06 17:50:42 -08:00
ocfs2 replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
omfs
openpromfs
overlayfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
proc replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
pstore pstore: fix code comment to match code 2015-11-02 13:41:52 -08:00
qnx4 don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
qnx6 don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
quota Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-09-05 20:34:28 -07:00
ramfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
reiserfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
romfs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
squashfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
sysfs platform/chrome: Branch for v4.4 2015-11-13 21:53:18 -08:00
sysv replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
tracefs tracefs: Fix refcount imbalance in start_creating() 2015-11-04 22:13:45 -05:00
ubifs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
udf don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
ufs don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
xfs replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
aio.c mm: move ->mremap() from file_operations to vm_operations_struct 2015-09-04 16:54:41 -07:00
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c libnvdimm for 4.4: 2015-11-10 12:07:22 -08:00
binfmt_elf.c Merge branch 'for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2015-11-11 09:45:24 -08:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c block: protect rw_page against device teardown 2015-11-19 13:47:10 -08:00
buffer.c vfs: remove unused wrapper block_page_mkwrite() 2015-11-11 02:19:33 -05:00
char_dev.c fs/char_dev.c: fix incorrect documentation for unregister_chrdev_region 2015-08-05 13:49:35 -07:00
compat_binfmt_elf.c
compat_ioctl.c i2c-dev: Fix typo in ioctl name reference 2015-10-23 23:26:43 +02:00
compat.c
coredump.c coredump: change zap_threads() and zap_process() to use for_each_thread() 2015-11-06 17:50:42 -08:00
dax.c dax: disable pmd mappings 2015-11-16 23:54:45 -08:00
dcache.c replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
dcookies.c
direct-io.c direct-io: Fix negative return from dio read beyond eof 2015-11-30 10:15:42 -07:00
drop_caches.c inode: convert inode_sb_list_lock to per-sb 2015-08-17 18:39:46 -04:00
eventfd.c
eventpoll.c
exec.c vfs: Commit to never having exectuables on proc and sysfs. 2015-07-10 10:39:25 -05:00
fcntl.c
fhandle.c
file_table.c fs, file table: reinit files_stat.max_files after deferred memory initialisation 2015-08-07 04:39:40 +03:00
file.c vfs: clear remainder of 'full_fds_bits' in dup_fd() 2015-11-05 23:05:32 -08:00
filesystems.c
fs_pin.c
fs_struct.c
fs-writeback.c fs: fix writeback.c kernel-doc warnings 2015-11-11 02:18:27 -05:00
inode.c don't put symlink bodies in pagecache into highmem 2015-12-08 22:41:36 -05:00
internal.h inode: rename i_wb_list to i_io_list 2015-08-17 23:38:10 -04:00
ioctl.c
Kconfig dax: disable pmd mappings 2015-11-16 23:54:45 -08:00
Kconfig.binfmt
libfs.c replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
locks.c locks: cleanup posix_lock_inode_wait and flock_lock_inode_wait 2015-10-22 14:57:42 -04:00
Makefile ext4: promote ext4 over ext2 in the default probe order 2015-10-15 10:33:21 -04:00
mbcache.c
mount.h fs: use seq_open_private() for proc_mounts 2015-06-30 19:44:56 -07:00
mpage.c mm, fs: introduce mapping_gfp_constraint() 2015-11-06 17:50:42 -08:00
namei.c replace ->follow_link() with new method that could stay in RCU mode 2015-12-08 22:41:54 -05:00
namespace.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace 2015-09-01 16:13:25 -07:00
no-block.c
nsfs.c fs/seq_file: convert int seq_vprint/seq_printf/etc... returns to void 2015-09-11 15:21:34 -07:00
open.c vfs: Commit to never having exectuables on proc and sysfs. 2015-07-10 10:39:25 -05:00
pipe.c fs/pipe.c: return error code rather than 0 in pipe_write() 2015-11-11 02:18:26 -05:00
pnode.c
pnode.h mnt: Clarify and correct the disconnect logic in umount_tree 2015-07-22 20:33:27 -05:00
posix_acl.c xattr handlers: Pass handler to operations instead of flags 2015-11-13 20:34:32 -05:00
proc_namespace.c fs: use seq_open_private() for proc_mounts 2015-06-30 19:44:56 -07:00
read_write.c
readdir.c
select.c
seq_file.c fs, seqfile: always allow oom killer 2015-11-06 17:50:42 -08:00
signalfd.c signalfd: fix information leak in signalfd_copyinfo 2015-08-07 04:39:40 +03:00
splice.c vfs: Avoid softlockups with sendfile(2) 2015-11-23 21:15:30 -05:00
stack.c
stat.c fs/stat.c: remove unnecessary new_valid_dev() check 2015-11-09 15:11:24 -08:00
statfs.c
super.c Merge branch 'superblock-scaling' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next into for-next 2015-08-21 02:31:20 -04:00
sync.c fs/sync.c: make sync_file_range(2) use WB_SYNC_NONE writeback 2015-11-06 17:50:42 -08:00
timerfd.c
userfaultfd.c userfaultfd: revert "userfaultfd: waitqueue: add nr wake parameter to __wake_up_locked_key" 2015-09-22 15:09:53 -07:00
utimes.c
xattr.c 9p: xattr simplifications 2015-11-13 20:34:33 -05:00