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Matthew Wilcox dd22f551ac block: Change direct_access calling convention 
In order to support accesses to larger chunks of memory, pass in a
'size' parameter (counted in bytes), and return the amount available at
that address.

Add a new helper function, bdev_direct_access(), to handle common
functionality including partition handling, checking the length requested
is positive, checking for the sector being page-aligned, and checking
the length of the request does not pass the end of the partition.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Boaz Harrosh <boaz@plexistor.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
 		2015-01-13 21:58:11 -07:00
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9p
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adfs
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affs fs/affs/file.c: remove obsolete pagesize check 2014-12-13 12:42:52 -08:00
afs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-12-11 14:27:06 -08:00
autofs4
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befs befs: remove dead code 2014-12-13 12:42:51 -08:00
bfs
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btrfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-19 18:19:19 -08:00
cachefiles
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ceph Ceph: remove left-over reject file 2014-12-17 18:47:01 -08:00
cifs Merge branch 'akpm' (patchbomb from Andrew) 2014-12-10 18:34:42 -08:00
coda coda_venus_readdir(): use file_inode() 2014-12-11 16:28:12 -05:00
configfs
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cramfs
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debugfs Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
devpts
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dlm Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-10 16:10:49 -08:00
ecryptfs Fixes for filename decryption and encrypted view plus a cleanup 2014-12-19 18:15:12 -08:00
efivarfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-10 16:10:49 -08:00
efs
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exofs
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exportfs
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ext2 block: Change direct_access calling convention 2015-01-13 21:58:11 -07:00
ext3
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ext4 move_extent_per_page(): get rid of unused w_flags 2014-12-17 06:43:56 -05:00
f2fs f2fs: avoid to ra unneeded blocks in recover flow 2014-12-08 14:19:09 -08:00
fat fat: fix data past EOF resulting from fsx testsuite 2014-12-13 12:42:51 -08:00
freevxfs
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fscache
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fuse Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse 2014-12-17 09:41:32 -08:00
gfs2 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-10 16:10:49 -08:00
hfs fs/hfs/catalog.c: fix comparison bug in hfs_cat_keycmp 2014-12-10 17:41:16 -08:00
hfsplus hfsplus: fix longname handling 2014-12-18 19:08:10 -08:00
hostfs
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hpfs
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hppfs
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hugetlbfs mm: convert i_mmap_mutex to rwsem 2014-12-13 12:42:45 -08:00
isofs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2014-12-16 15:46:01 -08:00
jbd
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jbd2 Lots of bugs fixes, including Zheng and Jan's extent status shrinker 2014-12-12 09:28:03 -08:00
jffs2
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jfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-10 16:10:49 -08:00
kernfs vm_area_operations: kill ->migrate() 2014-12-17 08:26:51 -05:00
lockd Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux 2014-12-16 15:25:31 -08:00
logfs
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minix
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ncpfs Merge branch 'akpm' (patchbomb from Andrew) 2014-12-10 18:34:42 -08:00
nfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-10 16:10:49 -08:00
nfs_common
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nfsd Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux 2014-12-16 15:25:31 -08:00
nilfs2 nilfs2: fix the nilfs_iget() vs. nilfs_new_inode() races 2014-12-10 17:41:16 -08:00
nls
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notify fsnotify: remove destroy_list from fsnotify_mark 2014-12-13 12:42:53 -08:00
ntfs
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ocfs2 ocfs2: fix journal commit deadlock 2014-12-18 19:08:11 -08:00
omfs
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openpromfs
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overlayfs Merge branch 'iov_iter' into for-next 2014-12-08 20:39:29 -05:00
proc Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-19 13:26:08 -08:00
pstore Driver core patches for 3.19-rc1 2014-12-14 16:10:09 -08:00
qnx4
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qnx6
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quota
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ramfs
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reiserfs Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2014-12-16 15:46:01 -08:00
romfs
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squashfs
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sysfs
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sysv
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ubifs
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udf
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ufs
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xfs xfs: update for 3.19-rc1 2014-12-12 09:48:17 -08:00
Kconfig
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Kconfig.binfmt
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Makefile Merge branch 'nsfs' into for-next 2014-12-10 21:31:59 -05:00
aio.c aio: Skip timer for io_getevents if timeout=0 2014-12-13 17:50:20 -05:00
anon_inodes.c
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attr.c
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bad_inode.c
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binfmt_aout.c
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binfmt_elf.c Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-12-11 17:56:37 -08:00
binfmt_elf_fdpic.c
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binfmt_em86.c syscalls: implement execveat() system call 2014-12-13 12:42:51 -08:00
binfmt_flat.c
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binfmt_misc.c unfuck binfmt_misc.c (broken by commit e6084d4) 2014-12-17 08:27:14 -05:00
binfmt_script.c syscalls: implement execveat() system call 2014-12-13 12:42:51 -08:00
binfmt_som.c
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block_dev.c block: Change direct_access calling convention 2015-01-13 21:58:11 -07:00
buffer.c
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char_dev.c fs/char_dev.c: remove pointless assignment from __register_chrdev_region() 2014-12-10 17:41:04 -08:00
compat.c
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compat_binfmt_elf.c
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compat_ioctl.c
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coredump.c
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dcache.c Merge branch 'iov_iter' into for-next 2014-12-08 20:39:29 -05:00
dcookies.c
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direct-io.c
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drop_caches.c mm: vmscan: invoke slab shrinkers from shrink_zone() 2014-12-13 12:42:48 -08:00
eventfd.c
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eventpoll.c
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exec.c syscalls: implement execveat() system call 2014-12-13 12:42:51 -08:00
fcntl.c
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fhandle.c
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file.c fs/file.c: replace get_unused_fd() with get_unused_fd_flags(0) 2014-12-10 17:41:10 -08:00
file_table.c
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filesystems.c
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fs-writeback.c
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fs_pin.c
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fs_struct.c
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inode.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-16 15:53:03 -08:00
internal.h take the targets of /proc/*/ns/* symlinks to separate fs 2014-12-10 21:30:20 -05:00
ioctl.c Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux 2014-12-16 15:25:31 -08:00
libfs.c
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locks.c
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mbcache.c
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mount.h common object embedded into various struct ....ns 2014-12-04 14:31:00 -05:00
mpage.c
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namei.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-12-16 15:53:03 -08:00
namespace.c mnt: Fix a memory stomp in umount 2014-12-18 11:22:02 -08:00
no-block.c
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nsfs.c take the targets of /proc/*/ns/* symlinks to separate fs 2014-12-10 21:30:20 -05:00
open.c Merge branch 'for-3.19' of git://linux-nfs.org/~bfields/linux 2014-12-16 15:25:31 -08:00
pipe.c
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pnode.c mnt: Move the clear of MNT_LOCKED from copy_tree to it's callers. 2014-12-02 10:46:50 -06:00
pnode.h
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posix_acl.c
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proc_namespace.c vfs: make mounts and mountstats honor root dir like mountinfo does 2014-12-17 08:27:15 -05:00
read_write.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2014-12-14 20:36:37 -08:00
readdir.c
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select.c
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seq_file.c fs, seq_file: fallback to vmalloc instead of oom kill processes 2014-12-13 12:42:49 -08:00
signalfd.c
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splice.c
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stack.c
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stat.c
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statfs.c
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super.c
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sync.c
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timerfd.c
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utimes.c
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xattr.c
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