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Message-ID: <20100522021322.GK31073@ZenIV.linux.org.uk>
Date: Sat, 22 May 2010 03:13:22 +0100
From: Al Viro <viro@...IV.linux.org.uk>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: [git pull] vfs queue, part 1
Assorted VFS and filesystem patches; the most drastic part from the core
VFS POV is the change of superblock refcounting and associated changes
to "do something to all filesystems that..." kind of loops. S_BIAS is
gone, atomic_inc_not_zero(&sb->s_active) is used by grab_super() instead
of playing these games and as the result we are able to do a massive
simplification of the locking rules. Additionally, we avoid a lot of
PITA with traversals of superblocks' list by leaving superblock on s_list
until the very end and checking for empty s_instances while iterating
through all superblocks to skip the ones that would've been already removed
by the code currently in tree.
There's a lot of other stuff as well, of course, but it's less serious
surgery. There *is* other tricky stuff for that cycle, but I'd rather
send a separate pull request or two for that in a couple of days.
Please, pull from
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6.git/ for-linus
Shortlog:
Al Viro (30):
clean DCACHE_CANT_MOUNT in d_delete()
Simplify devpts_get_sb() failure exits
fix a couple of ecryptfs leaks
Clean ecryptfs ->get_sb() up
ceph: should use deactivate_locked_super() on failure exits
sb_entry() has been killed a couple of years ago and resurrected on mismerge
get rid of open-coded grab_super() in get_active_super()
get rid of S_BIAS
Saner locking around deactivate_super()
Leave superblocks on s_list until the end
get rid of restarts in sync_filesystems()
Convert simple loops over superblocks to list_for_each_entry_safe
fix do_emergency_remount()/umount() races
fix get_active_super()/umount() race
In get_super() and user_get_super() restarts are unconditional
fix prune_dcache()/umount() race
Bury __put_super_and_need_restart()
new helper: iterate_supers()
switch selinux delayed superblock handling to iterate_supers()
Take statfs variants to fs/statfs.c
Move grabbing s_umount to callers of grab_super()
Trim includes in fs/super.c
logfs: replace inode uid,gid,mode initialization with helper function
Ban ecryptfs over ecryptfs
AFS: Don't put struct file on the stack
simplify access to ecryptfs inodes in ->readpage() and friends
switch ecryptfs_get_locked_page() to struct inode *
switch ecryptfs_write() to struct inode *, kill on-stack fake files
get rid of home-grown mutex in cris eeprom.c
fix handling of offsets in cris eeprom.c, get rid of fake on-stack files
Cesar Eduardo Barros (1):
fs/partitions: use ADDPART_FLAG_RAID instead of magic number
Christoph Hellwig (3):
remove incorrect comment in do_emergency_remount
nfsd: open a file descriptor for fsync in nfs4 recovery
sanitize vfs_fsync calling conventions
Dmitry Monakhov (19):
vfs: Add inode uid,gid,mode init helper
9p: replace inode uid,gid,mode initialization with helper function
jfs: replace inode uid,gid,mode init with helper
btrfs: replace inode uid,gid,mode initialization with helper function
exofs: replace inode uid,gid,mode initialization with helper function
ext2: replace inode uid,gid,mode init with helper
ext3: replace inode uid,gid,mode init with helper
ext4: replace inode uid,gid,mode init with helper
minix: replace inode uid,gid,mode init with helper
nilfs2: replace inode uid,gid,mode initialization with helper function
ocfs2: replace inode uid,gid,mode initialization with helper function
bfs: replace inode uid,gid,mode initialization with helper function
omfs: replace inode uid,gid,mode initialization with helper function
ramfs: replace inode uid,gid,mode initialization with helper function
reiserfs: replace inode uid,gid,mode initialization with helper function
sysv: replace inode uid,gid,mode initialization with helper function
ubifs: replace inode uid,gid,mode initialization with helper function
udf: replace inode uid,gid,mode init with helper
ufs: replace inode uid,gid,mode initialization with helper function
Eric Paris (1):
anon_inode: set S_IFREG on the anon_inode
H Hartley Sweeten (1):
fs-writeback.c: bitfields should be unsigned
Huang Shijie (1):
namei.c : update mnt when it needed
Josef Bacik (1):
Introduce freeze_super and thaw_super for the fsfreeze ioctl
Richard Kennedy (1):
fs: inode.c use atomic_inc_return in __iget
Roland Dreier (1):
vfs: add lockdep annotation to s_vfs_rename_key for ecryptfs
Stephen Hemminger (10):
fs: xattr_handler table should be const
btrfs: constify xattr_handler
ext2: constify xattr_handler
ext3: constify xattr handlers
ext4: constify xattr_handler
reiserfs: constify xattr_handler
xfs: constify xattr_handler
jffs2: constify xattr_handler
ocfs: constify xattr_handler
gfs: constify xattr_handler
Diffstat:
arch/cris/arch-v10/drivers/eeprom.c | 48 ++----
drivers/block/loop.c | 4 +-
drivers/md/bitmap.c | 2 +-
drivers/usb/gadget/storage_common.c | 2 +-
fs/9p/vfs_inode.c | 4 +-
fs/Makefile | 2 +-
fs/afs/dir.c | 6 +-
fs/afs/file.c | 64 ++++---
fs/afs/internal.h | 1 +
fs/afs/mntpt.c | 6 +-
fs/anon_inodes.c | 2 +-
fs/bfs/dir.c | 4 +-
fs/block_dev.c | 73 ++------
fs/btrfs/acl.c | 4 +-
fs/btrfs/inode.c | 11 +-
fs/btrfs/xattr.c | 2 +-
fs/btrfs/xattr.h | 6 +-
fs/buffer.c | 25 +--
fs/ceph/file.c | 3 +-
fs/ceph/super.c | 3 +-
fs/coda/file.c | 2 +-
fs/dcache.c | 20 +--
fs/devpts/inode.c | 9 +-
fs/drop_caches.c | 24 +---
fs/ecryptfs/ecryptfs_kernel.h | 5 +-
fs/ecryptfs/file.c | 4 +-
fs/ecryptfs/inode.c | 48 +-----
fs/ecryptfs/main.c | 166 +++++++++---------
fs/ecryptfs/mmap.c | 19 +--
fs/ecryptfs/read_write.c | 13 +-
fs/ecryptfs/super.c | 22 ---
fs/exofs/inode.c | 11 +-
fs/ext2/acl.c | 4 +-
fs/ext2/ialloc.c | 12 +-
fs/ext2/xattr.c | 10 +-
fs/ext2/xattr.h | 12 +-
fs/ext2/xattr_security.c | 2 +-
fs/ext2/xattr_trusted.c | 2 +-
fs/ext2/xattr_user.c | 2 +-
fs/ext3/acl.c | 4 +-
fs/ext3/ialloc.c | 13 +-
fs/ext3/xattr.c | 10 +-
fs/ext3/xattr.h | 12 +-
fs/ext3/xattr_security.c | 2 +-
fs/ext3/xattr_trusted.c | 2 +-
fs/ext3/xattr_user.c | 2 +-
fs/ext4/acl.c | 4 +-
fs/ext4/ialloc.c | 12 +-
fs/ext4/xattr.c | 10 +-
fs/ext4/xattr.h | 12 +-
fs/ext4/xattr_security.c | 2 +-
fs/ext4/xattr_trusted.c | 2 +-
fs/ext4/xattr_user.c | 2 +-
fs/fs-writeback.c | 6 +-
fs/generic_acl.c | 4 +-
fs/gfs2/acl.c | 2 +-
fs/gfs2/acl.h | 2 +-
fs/gfs2/super.h | 2 +-
fs/gfs2/xattr.c | 6 +-
fs/inode.c | 26 +++-
fs/internal.h | 2 +
fs/ioctl.c | 15 +--
fs/jffs2/acl.c | 4 +-
fs/jffs2/acl.h | 4 +-
fs/jffs2/security.c | 2 +-
fs/jffs2/xattr.c | 8 +-
fs/jffs2/xattr.h | 8 +-
fs/jffs2/xattr_trusted.c | 2 +-
fs/jffs2/xattr_user.c | 2 +-
fs/jfs/jfs_inode.c | 12 +-
fs/logfs/inode.c | 9 +-
fs/minix/bitmap.c | 5 +-
fs/minix/minix.h | 2 +-
fs/minix/namei.c | 11 +-
fs/namei.c | 5 +-
fs/nfsd/nfs4recover.c | 87 +++++-----
fs/nfsd/vfs.c | 5 +-
fs/nilfs2/inode.c | 11 +-
fs/notify/inotify/inotify.c | 88 ++--------
fs/ocfs2/acl.c | 4 +-
fs/ocfs2/namei.c | 9 +-
fs/ocfs2/xattr.c | 12 +-
fs/ocfs2/xattr.h | 12 +-
fs/omfs/inode.c | 4 +-
fs/open.c | 166 ------------------
fs/partitions/efi.c | 2 +-
fs/partitions/mac.c | 2 +-
fs/partitions/msdos.c | 2 +-
fs/quota/quota.c | 32 +---
fs/ramfs/inode.c | 20 +--
fs/reiserfs/namei.c | 18 +--
fs/reiserfs/xattr.c | 16 +-
fs/reiserfs/xattr_acl.c | 4 +-
fs/reiserfs/xattr_security.c | 2 +-
fs/reiserfs/xattr_trusted.c | 2 +-
fs/reiserfs/xattr_user.c | 2 +-
fs/statfs.c | 196 +++++++++++++++++++++
fs/super.c | 321 ++++++++++++++++++++---------------
fs/sync.c | 86 ++--------
fs/sysv/ialloc.c | 11 +-
fs/ubifs/dir.c | 9 +-
fs/udf/ialloc.c | 11 +-
fs/udf/namei.c | 10 +-
fs/ufs/ialloc.c | 10 +-
fs/xattr.c | 14 +-
fs/xfs/linux-2.6/xfs_acl.c | 4 +-
fs/xfs/linux-2.6/xfs_super.h | 2 +-
fs/xfs/linux-2.6/xfs_xattr.c | 8 +-
fs/xfs/xfs_acl.h | 4 +-
include/linux/fs.h | 20 +-
include/linux/generic_acl.h | 4 +-
include/linux/ramfs.h | 3 +-
include/linux/reiserfs_acl.h | 4 +-
include/linux/reiserfs_xattr.h | 6 +-
include/linux/xattr.h | 2 +-
mm/msync.c | 2 +-
mm/shmem.c | 29 +--
security/selinux/hooks.c | 55 +-----
security/selinux/include/objsec.h | 1 -
119 files changed, 906 insertions(+), 1293 deletions(-)
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