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bc40d73c95
android_kernel_xiaomi_sm8350/fs
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Nick Piggin bc40d73c95 splice: use get_user_pages_fast 
Use get_user_pages_fast in splice.  This reverts some mmap_sem batching
there, however the biggest problem with mmap_sem tends to be hold times
blocking out other threads rather than cacheline bouncing.  Further: on
architectures that implement get_user_pages_fast without locks, mmap_sem
can be avoided completely anyway.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Dave Kleikamp <shaggy@austin.ibm.com>
Cc: Badari Pulavarty <pbadari@us.ibm.com>
Cc: Zach Brown <zach.brown@oracle.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Reviewed-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-26 12:00:06 -07:00
..
9p 9p: fix O_APPEND in legacy mode 2008-07-03 09:59:03 -05:00
adfs
affs affs: convert s_bmlock into a mutex 2008-07-26 12:00:03 -07:00
afs
autofs
autofs4 autofs4: remove unused ioctls 2008-07-24 10:47:33 -07:00
befs
bfs bfs: kill BKL 2008-07-26 12:00:03 -07:00
cifs Merge commit 'v2.6.26' into bkl-removal 2008-07-14 15:29:34 -06:00
coda coda: remove CODA_FS_OLD_API 2008-07-25 10:53:33 -07:00
configfs configfs: Allow ->make_item() and ->make_group() to return detailed errors. 2008-07-17 15:21:29 -07:00
cramfs
debugfs debugfs: Implement debugfs_remove_recursive() 2008-07-21 21:54:59 -07:00
devpts
dlm locks: add special return value for asynchronous locks 2008-07-25 10:53:47 -07:00
ecryptfs eCryptfs: Make all persistent file opens delayed 2008-07-24 10:47:31 -07:00
efs
exportfs
ext2 quota: move function-macros from quota.h to quotaops.h 2008-07-25 10:53:35 -07:00
ext3 ext3: validate directory entry data before use 2008-07-25 10:53:33 -07:00
ext4 ext4: do not set extents feature from the kernel 2008-07-11 19:27:31 -04:00
fat fatfs: add UTC timestamp option 2008-07-25 10:53:34 -07:00
freevxfs
fuse fuse: lockd support 2008-07-25 10:53:48 -07:00
gfs2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw 2008-07-15 10:38:46 -07:00
hfs hfs: convert extents_lock in a mutex 2008-07-25 10:53:33 -07:00
hfsplus hfsplus: convert the extents_lock in a mutex 2008-07-25 10:53:33 -07:00
hostfs
hpfs
hppfs
hugetlbfs hugetlbfs: per mount huge page sizes 2008-07-24 10:47:17 -07:00
isofs isofs: fix minor filesystem corruption 2008-07-25 10:53:33 -07:00
jbd jbd: don't abort if flushing file data failed 2008-07-25 10:53:32 -07:00
jbd2 ext4: Add ordered mode support for delalloc 2008-07-11 19:27:31 -04:00
jffs2
jfs quota: move function-macros from quota.h to quotaops.h 2008-07-25 10:53:35 -07:00
lockd locks: add special return value for asynchronous locks 2008-07-25 10:53:47 -07:00
minix minix: remove !NO_TRUNCATE code 2008-07-25 10:53:30 -07:00
msdos fatfs: add UTC timestamp option 2008-07-25 10:53:34 -07:00
ncpfs Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
nfs fix fs/nfs/nfsroot.c compilation 2008-07-24 17:32:41 -07:00
nfs_common
nfsd lockd: dont return EAGAIN for a permanent error 2008-07-25 10:53:47 -07:00
nls
ntfs
ocfs2 configfs: Allow ->make_item() and ->make_group() to return detailed errors. 2008-07-17 15:21:29 -07:00
omfs omfs: update kbuild to include OMFS 2008-07-26 12:00:05 -07:00
openpromfs
partitions fs/partitions/efi: convert to pr_debug 2008-07-25 10:53:44 -07:00
proc task IO accounting: provide distinct tgid/tid I/O statistics 2008-07-25 10:53:47 -07:00
qnx4
ramfs ramfs: enable splice write 2008-07-04 09:52:14 +02:00
reiserfs quota: move function-macros from quota.h to quotaops.h 2008-07-25 10:53:35 -07:00
romfs
smbfs remove unused #include <linux/dirent.h>'s 2008-07-25 10:53:34 -07:00
sysfs driver core: Suppress sysfs warnings for device_rename(). 2008-07-21 21:55:01 -07:00
sysv
ubifs UBIFS: include to compilation 2008-07-15 17:35:24 +03:00
udf udf: Fix regression in UDF anchor block detection 2008-06-24 11:38:03 +02:00
ufs quota: move function-macros from quota.h to quotaops.h 2008-07-25 10:53:35 -07:00
vfat fatfs: add UTC timestamp option 2008-07-25 10:53:34 -07:00
xfs Fix reference counting race on log buffers 2008-07-11 11:37:18 -07:00
aio.c kill PF_BORROWED_MM in favour of PF_KTHREAD 2008-07-25 10:53:39 -07:00
anon_inodes.c flag parameters: NONBLOCK in anon_inode_getfd 2008-07-24 10:47:28 -07:00
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c coredump: elf_fdpic_core_dump: use core_state->dumper list 2008-07-25 10:53:40 -07:00
binfmt_elf.c Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2008-07-25 11:08:17 -07:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c binfmt_misc: use simple_read_from_buffer() 2008-07-24 10:47:27 -07:00
binfmt_script.c
binfmt_som.c
bio-integrity.c block: integrity checkpatch cleanups 2008-07-03 13:21:13 +02:00
bio.c dio: use get_user_pages_fast 2008-07-26 12:00:06 -07:00
block_dev.c [PATCH] fix cgroup-inflicted breakage in block_dev.c 2008-06-23 08:30:55 -04:00
buffer.c Merge branch 'generic-ipi' into generic-ipi-for-linus 2008-07-15 21:55:59 +02:00
char_dev.c Remove the lock_kernel() call from chrdev_open() 2008-06-20 14:05:53 -06:00
compat_binfmt_elf.c
compat_ioctl.c remove unused #include <linux/dirent.h>'s 2008-07-25 10:53:34 -07:00
compat.c flag parameters: signalfd 2008-07-24 10:47:27 -07:00
dcache.c vfs: add cond_resched_lock while scanning dentry LRU lists 2008-07-26 12:00:02 -07:00
dcookies.c
direct-io.c dio: use get_user_pages_fast 2008-07-26 12:00:06 -07:00
dnotify.c
dquot.c quota: implement sending information via netlink about user below quota 2008-07-25 10:53:35 -07:00
drop_caches.c
eventfd.c flag parameters: check magic constants 2008-07-24 10:47:29 -07:00
eventpoll.c flag parameters add-on: remove epoll_create size param 2008-07-24 10:47:29 -07:00
exec.c coredump: format_corename: fix the "core_uses_pid" logic 2008-07-25 10:53:40 -07:00
fcntl.c flag parameters: dup2 2008-07-24 10:47:28 -07:00
fifo.c
file_table.c
file.c
filesystems.c
fs-writeback.c VFS: export sync_sb_inodes 2008-07-14 19:10:52 +03:00
generic_acl.c
inode.c
inotify_user.c flag parameters: check magic constants 2008-07-24 10:47:29 -07:00
inotify.c
internal.h
ioctl.c
ioprio.c
Kconfig omfs: update kbuild to include OMFS 2008-07-26 12:00:05 -07:00
Kconfig.binfmt
libfs.c add kernel-doc for simple_read_from_buffer and memory_read_from_buffer 2008-07-04 10:40:07 -07:00
locks.c locks: allow ->lock() to return FILE_LOCK_DEFERRED 2008-07-25 10:53:48 -07:00
Makefile omfs: update kbuild to include OMFS 2008-07-26 12:00:05 -07:00
mbcache.c
mpage.c vfs: add hooks for ext4's delayed allocation support 2008-07-11 19:27:31 -04:00
namei.c [patch 3/4] vfs: fix ERR_PTR abuse in generic_readlink 2008-06-23 11:52:30 -04:00
namespace.c LSM/SELinux: show LSM mount options in /proc/mounts 2008-07-14 15:02:05 +10:00
nfsctl.c
no-block.c
open.c fs: check for statfs overflow 2008-07-24 10:47:19 -07:00
pipe.c flag parameters: NONBLOCK in pipe 2008-07-24 10:47:29 -07:00
pnode.c
pnode.h
posix_acl.c
quota_v1.c quota: move function-macros from quota.h to quotaops.h 2008-07-25 10:53:35 -07:00
quota_v2.c quota: move function-macros from quota.h to quotaops.h 2008-07-25 10:53:35 -07:00
quota.c quota: cleanup loop in sync_dquots() 2008-07-25 10:53:35 -07:00
read_write.c Remove BKL from remote_llseek v2 2008-07-02 15:06:27 -06:00
read_write.h
readdir.c
select.c Fix performance regression on lmbench select benchmark 2008-06-22 12:23:15 -07:00
seq_file.c
signalfd.c flag parameters: check magic constants 2008-07-24 10:47:29 -07:00
splice.c splice: use get_user_pages_fast 2008-07-26 12:00:06 -07:00
stack.c
stat.c
super.c fix soft lock up at NFS mount via per-SB LRU-list of unused dentries 2008-07-24 10:47:15 -07:00
sync.c SYNC_FILE_RANGE_WRITE may and will block. Document that. 2008-07-24 10:47:17 -07:00
timerfd.c flag parameters: check magic constants 2008-07-24 10:47:29 -07:00
utimes.c [patch for 2.6.26 4/4] vfs: utimensat(): fix write access check for futimens() 2008-06-23 08:43:52 -04:00
xattr_acl.c
xattr.c