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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/pkl/squashfs-linus:
MAINTAINERS: squashfs entry
Squashfs: documentation
Squashfs: initrd support
Squashfs: Kconfig entry
Squashfs: Makefiles
Squashfs: header files
Squashfs: block operations
Squashfs: cache operations
Squashfs: uid/gid lookup operations
Squashfs: fragment block operations
Squashfs: export operations
Squashfs: super block operations
Squashfs: symlink operations
Squashfs: regular file operations
Squashfs: directory readdir operations
Squashfs: directory lookup operations
Squashfs: inode operations
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Signed-off-by: Phillip Lougher <phillip@lougher.demon.co.uk>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: (864 commits)
Btrfs: explicitly mark the tree log root for writeback
Btrfs: Drop the hardware crc32c asm code
Btrfs: Add Documentation/filesystem/btrfs.txt, remove old COPYING
Btrfs: kmap_atomic(KM_USER0) is safe for btrfs_readpage_end_io_hook
Btrfs: Don't use kmap_atomic(..., KM_IRQ0) during checksum verifies
Btrfs: tree logging checksum fixes
Btrfs: don't change file extent's ram_bytes in btrfs_drop_extents
Btrfs: Use btrfs_join_transaction to avoid deadlocks during snapshot creation
Btrfs: drop remaining LINUX_KERNEL_VERSION checks and compat code
Btrfs: drop EXPORT symbols from extent_io.c
Btrfs: Fix checkpatch.pl warnings
Btrfs: Fix free block discard calls down to the block layer
Btrfs: avoid orphan inode caused by log replay
Btrfs: avoid potential super block corruption
Btrfs: do not call kfree if kmalloc failed in btrfs_sysfs_add_super
Btrfs: fix a memory leak in btrfs_get_sb
Btrfs: Fix typo in clear_state_cb
Btrfs: Fix memset length in btrfs_file_write
Btrfs: update directory's size when creating subvol/snapshot
Btrfs: add permission checks to the ioctls
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git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable
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This is a large change for adding compression on reading and writing,
both for inline and regular extents. It does some fairly large
surgery to the writeback paths.
Compression is off by default and enabled by mount -o compress. Even
when the -o compress mount option is not used, it is possible to read
compressed extents off the disk.
If compression for a given set of pages fails to make them smaller, the
file is flagged to avoid future compression attempts later.
* While finding delalloc extents, the pages are locked before being sent down
to the delalloc handler. This allows the delalloc handler to do complex things
such as cleaning the pages, marking them writeback and starting IO on their
behalf.
* Inline extents are inserted at delalloc time now. This allows us to compress
the data before inserting the inline extent, and it allows us to insert
an inline extent that spans multiple pages.
* All of the in-memory extent representations (extent_map.c, ordered-data.c etc)
are changed to record both an in-memory size and an on disk size, as well
as a flag for compression.
From a disk format point of view, the extent pointers in the file are changed
to record the on disk size of a given extent and some encoding flags.
Space in the disk format is allocated for compression encoding, as well
as encryption and a generic 'other' field. Neither the encryption or the
'other' field are currently used.
In order to limit the amount of data read for a single random read in the
file, the size of a compressed extent is limited to 128k. This is a
software only limit, the disk format supports u64 sized compressed extents.
In order to limit the ram consumed while processing extents, the uncompressed
size of a compressed extent is limited to 256k. This is a software only limit
and will be subject to tuning later.
Checksumming is still done on compressed extents, and it is done on the
uncompressed version of the data. This way additional encodings can be
layered on without having to figure out which encoding to checksum.
Compression happens at delalloc time, which is basically singled threaded because
it is usually done by a single pdflush thread. This makes it tricky to
spread the compression load across all the cpus on the box. We'll have to
look at parallel pdflush walks of dirty inodes at a later time.
Decompression is hooked into readpages and it does spread across CPUs nicely.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Signed-off-by: Chris Mason <chris.mason@oracle.com>
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Have one option to control Miscellaneous filesystems. This makes it easy
to disable all of them at one time.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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There is going to be a new version of quota format having 64-bit
quota limits and a new quota format for OCFS2. They are both
going to use the same tree structure as VFSv0 quota format. So
split out tree handling into a separate file and make size of
leaf blocks, amount of space usable in each block (needed for
checksumming) and structures contained in them configurable
so that the code can be shared.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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JBD2 is fully backwards compatible with JBD and it's been tested enough with
Ocfs2 that we can clean this code up now.
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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This patch adds the Kconfig option "CONFIG_OCFS2_FS_POSIX_ACL"
and mount options "acl" to enable acls in Ocfs2.
Signed-off-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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Creating a generic filesystem notification interface, fsnotify, which will be
used by inotify, dnotify, and eventually fanotify is really starting to
clutter the fs directory. This patch simply moves inotify and dnotify into
fs/notify/inotify and fs/notify/dnotify respectively to make both current fs/
and future notification tidier.
Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Assume you have:
- one or more of ext2/3/4 statically built into your kernel
- none of these with extended attributes enabled and
- want to add onother one of ext2/3/4 modular and with
extended attributes enabled
then you currently have to reboot to use it since this results in
CONFIG_FS_MBCACHE=y.
That's not a common issue, but I just ran into it and since there's no
reason to get a built-in mbcache in this case this patch fixes it.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Cc: Andreas Gruenbacher <agruen@suse.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: implement nonseekable open
fuse: add include protectors
fuse: config description improvement
fuse: add missing fuse_request_free
fuse: fix SEEK_END incorrectness
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Make the short description of the FUSE_FS config option clearer.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
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Use fs/*/Kconfig more, which is good because everything related to one
filesystem is in one place and fs/Kconfig is quite fat.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.infradead.org/mtd-2.6: (69 commits)
Revert "[MTD] m25p80.c code cleanup"
[MTD] [NAND] GPIO driver depends on ARM... for now.
[MTD] [NAND] sh_flctl: fix compile error
[MTD] [NOR] AT49BV6416 has swapped erase regions
[MTD] [NAND] GPIO NAND flash driver
[MTD] cmdlineparts documentation change - explain where mtd-id comes from
[MTD] cfi_cmdset_0002.c: Add Macronix CFI V1.0 TopBottom detection
[MTD] [NAND] Fix compilation warnings in drivers/mtd/nand/cs553x_nand.c
[JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flash
[MTD] mtdoops: Fix a bug where block may not be erased
[MTD] mtdoops: Add a magic number to logged kernel oops
[MTD] mtdoops: Fix an off by one error
[JFFS2] Correct parameter names of jffs2_compress() in comments
[MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTL
[MTD] [NAND] Bug on atmel_nand HW ECC : OOB info not correctly written
[MTD] [MAPS] Remove unused variable after ROM API cleanup.
[MTD] m25p80.c extended jedec support (v2)
[MTD] remove unused mtd parameter in of_mtd_parse_partitions()
[MTD] [NAND] remove dead Kconfig associated with !CONFIG_PPC_MERGE
[MTD] [NAND] driver extension to support NAND on TQM85xx modules
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git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Steven French <sfrench@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Looks like there is one more instance where ext4dev should be changed
to ext4 because the module name will be "ext4" unless EXT4DEV_COMPAT
is selected.
Signed-off-by: Manish Katiyar <mkatiyar@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2: (56 commits)
ocfs2: Make cached block reads the common case.
ocfs2: Kill the last naked wait_on_buffer() for cached reads.
ocfs2: Move ocfs2_bread() into dir.c
ocfs2: Simplify ocfs2_read_block()
ocfs2: Require an inode for ocfs2_read_block(s)().
ocfs2: Separate out sync reads from ocfs2_read_blocks()
ocfs2: Refactor xattr list and remove ocfs2_xattr_handler().
ocfs2: Calculate EA hash only by its suffix.
ocfs2: Move trusted and user attribute support into xattr.c
ocfs2: Uninline ocfs2_xattr_name_hash()
ocfs2: Don't check for NULL before brelse()
ocfs2: use smaller counters in ocfs2_remove_xattr_clusters_from_cache
ocfs2: Documentation update for user_xattr / nouser_xattr mount options
ocfs2: make la_debug_mutex static
ocfs2: Remove pointless !!
ocfs2: Add empty bucket support in xattr.
ocfs2/xattr.c: Fix a bug when inserting xattr.
ocfs2: Add xattr mount option in ocfs2_show_options()
ocfs2: Switch over to JBD2.
ocfs2: Add the 'inode64' mount option.
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ocfs2 wants JBD2 for many reasons, not the least of which is that JBD is
limiting our maximum filesystem size.
It's a pretty trivial change. Most functions are just renamed. The
only functional change is moving to Jan's inode-based ordered data mode.
It's better, too.
Because JBD2 reads and writes JBD journals, this is compatible with any
existing filesystem. It can even interact with JBD-based ocfs2 as long
as the journal is formated for JBD.
We provide a compatibility option so that paranoid people can still use
JBD for the time being. This will go away shortly.
[ Moved call of ocfs2_begin_ordered_truncate() from ocfs2_delete_inode() to
ocfs2_truncate_for_delete(). --Mark ]
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: (59 commits)
svcrdma: Fix IRD/ORD polarity
svcrdma: Update svc_rdma_send_error to use DMA LKEY
svcrdma: Modify the RPC reply path to use FRMR when available
svcrdma: Modify the RPC recv path to use FRMR when available
svcrdma: Add support to svc_rdma_send to handle chained WR
svcrdma: Modify post recv path to use local dma key
svcrdma: Add a service to register a Fast Reg MR with the device
svcrdma: Query device for Fast Reg support during connection setup
svcrdma: Add FRMR get/put services
NLM: Remove unused argument from svc_addsock() function
NLM: Remove "proto" argument from lockd_up()
NLM: Always start both UDP and TCP listeners
lockd: Remove unused fields in the nlm_reboot structure
lockd: Add helper to sanity check incoming NOTIFY requests
lockd: change nlmclnt_grant() to take a "struct sockaddr *"
lockd: Adjust nlmsvc_lookup_host() to accomodate AF_INET6 addresses
lockd: Adjust nlmclnt_lookup_host() signature to accomodate non-AF_INET
lockd: Support non-AF_INET addresses in nlm_lookup_host()
NLM: Convert nlm_lookup_host() to use a single argument
svcrdma: Add Fast Reg MR Data Types
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In order to advertise NFS-related services on IPv6 interfaces via
rpcbind, the kernel RPC server implementation must use
rpcb_v4_register() instead of rpcb_register().
A new kernel build option allows distributions to use the legacy
v2 call until they integrate an appropriate user-space rpcbind
daemon that can support IPv6 RPC services.
I tried adding some automatic logic to fall back if registering
with a v4 protocol request failed, but there are too many corner
cases. So I just made it a compile-time switch that distributions
can throw when they've replaced portmapper with rpcbind.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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This patch adds the CONFIG_FILE_LOCKING option which allows to remove
support for advisory locks. With this patch enabled, the flock()
system call, the F_GETLK, F_SETLK and F_SETLKW operations of fcntl()
and NFS support are disabled. These features are not necessarly needed
on embedded systems. It allows to save ~11 Kb of kernel code and data:
text data bss dec hex filename
1125436 118764 212992 1457192 163c28 vmlinux.old
1114299 118564 212992 1445855 160fdf vmlinux
-11137 -200 0 -11337 -2C49 +/-
This patch has originally been written by Matt Mackall
<mpm@selenic.com>, and is part of the Linux Tiny project.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Matt Mackall <mpm@selenic.com>
Cc: matthew@wil.cx
Cc: linux-fsdevel@vger.kernel.org
Cc: mpm@selenic.com
Cc: akpm@linux-foundation.org
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
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Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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The ext4 filesystem is getting stable enough that it's time to drop
the "dev" prefix. Also remove the requirement for the TEST_FILESYS
flag.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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Signed-off-by: Steve French <sfrench@us.ibm.com>
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Must also depend on CIFS ...
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Acked-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Adds OMFS to the fs Kconfig and Makefile
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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While fixing CONFIG_ leakages to the userspace kernel headers I ran into
CODA_FS_OLD_API.
After five years, are there still people using the old API left?
Especially considering that you have to choose at compile time which API
to support in the kernel (and distributions tend to offer the new API for
some time).
Jan: "The old API can definitely go. Around the time the new
interface went in there were some non-Coda userspace file system
implementations that took a while longer to convert to the new API,
but by now they all switched to the new interface or in some cases
to a FUSE-based solution."
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Jan Harkes <jaharkes@cs.cmu.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2:
[PATCH] ocfs2: fix oops in mmap_truncate testing
configfs: call drop_link() to cleanup after create_link() failure
configfs: Allow ->make_item() and ->make_group() to return detailed errors.
configfs: Fix failing mkdir() making racing rmdir() fail
configfs: Fix deadlock with racing rmdir() and rename()
configfs: Make configfs_new_dirent() return error code instead of NULL
configfs: Protect configfs_dirent s_links list mutations
configfs: Introduce configfs_dirent_lock
ocfs2: Don't snprintf() without a format.
ocfs2: Fix CONFIG_OCFS2_DEBUG_FS #ifdefs
ocfs2/net: Silence build warnings on sparc64
ocfs2: Handle error during journal load
ocfs2: Silence an error message in ocfs2_file_aio_read()
ocfs2: use simple_read_from_buffer()
ocfs2: fix printk format warnings with OCFS2_FS_STATS=n
[PATCH 2/2] ocfs2: Instrument fs cluster locks
[PATCH 1/2] ocfs2: Add CONFIG_OCFS2_FS_STATS config option
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This patch adds config option CONFIG_OCFS2_FS_STATS to allow building
the fs with instrumentation enabled. An upcoming patch will provide
support to instrument cluster locking, which is a crucial overhead in
a cluster file system. This config option allows users to avoid the cpu
and memory overhead that is involved in gathering such statistics.
Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
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* 'for_linus' of git://git.infradead.org/~dedekind/ubifs-2.6:
UBIFS: include to compilation
UBIFS: add new flash file system
UBIFS: add brief documentation
MAINTAINERS: add UBIFS section
do_mounts: allow UBI root device name
VFS: export sync_sb_inodes
VFS: move inode_lock into sync_sb_inodes
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Add UBIFS to Makefile and Kbuild.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: Adrian Hunter <ext-adrian.hunter@nokia.com>
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Conflicts:
fs/nfs/file.c
Fix up the conflict with Jon Corbet's bkl-removal tree
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Some server vendors support the higher versions of rpcbind only for
AF_INET6. The kernel doesn't need to use v3 or v4 for AF_INET anyway,
so change the kernel's rpcbind client to query AF_INET servers over
rpcbind v2 only.
This has a few interesting benefits:
1. If the rpcbind request is going over TCP, and the server doesn't
support rpcbind versions 3 or 4, the client reduces by two the number
of ephemeral ports left in TIME_WAIT for each rpcbind request. This
will help during NFS mount storms.
2. The rpcbind interaction with servers that don't support rpcbind
versions 3 or 4 will use less network traffic. Also helpful
during mount storms.
3. We can eliminate the kernel build option that controls whether the
kernel's rpcbind client uses rpcbind version 3 and 4 for AF_INET
servers. Less complicated kernel configuration...
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Clean up: refresh the help text for Kconfig items related to the NFS
client. Remove obsolete URLs, and make the language consistent among
the options.
Also move the ROOT_NFS config option next to the options related to the
NFS client.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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I would suggest to remove the "experimental" status from Kdump.
Kdump is now in the kernel since a long time and used by Enterprise
distributions. I don't think that "experimental" is true any more.
Signed-off-by: Bernhard Walle <bwalle@suse.de>
Cc: vgoyal@redhat.com
Cc: kexec@lists.infradead.org
Cc: Bernhard Walle <bwalle@suse.de>
Cc: akpm@linux-foundation.org
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The url in the help text for ntfs should be updated.
Acked-by: Anton Altaparmakov <aia21@cantab.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This adds hugetlbfs support on System z, using both hardware large page
support if available and software large page emulation on older hardware.
Shared (large) page tables are implemented in software emulation mode,
by using page->index of the first tail page from a compound large page
to store page table information.
Signed-off-by: Gerald Schaefer <geraldsc@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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