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Add a new config option that controls building the buffer_head code, and
select it from all file systems and stacking drivers that need it.
For the block device nodes and alternative iomap based buffered I/O path
is provided when buffer_head support is not enabled, and iomap needs a
a small tweak to define the IOMAP_F_BUFFER_HEAD flag to 0 to not call
into the buffer_head code when it doesn't exist.
Otherwise this is just Kconfig and ifdef changes.
Signed-off-by: Christoph Hellwig <[email protected]>
Reviewed-by: Luis Chamberlain <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Currently support for 64-bit sector_t and blkcnt_t is optional on 32-bit
architectures. These types are required to support block device and/or
file sizes larger than 2 TiB, and have generally defaulted to on for
a long time. Enabling the option only increases the i386 tinyconfig
size by 145 bytes, and many data structures already always use
64-bit values for their in-core and on-disk data structures anyway,
so there should not be a large change in dynamic memory usage either.
Dropping this option removes a somewhat weird non-default config that
has cause various bugs or compiler warnings when actually used.
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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Depend on LIBCRC32C which uses the crypto API to select the appropriate
crc32c implementation. With the CRYPTO and CRYPTO_CRC32C dependencies,
gfs2 would still need to use the crypto API directly like ext4 and btrfs
do, which isn't necessary.
Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: Bob Peterson <[email protected]>
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This patch adds a new structure called gfs2_log_header_v2 which is used
to store expanded fields into previously unused areas of the log headers
(i.e., this change is backwards compatible). Some of these are used for
debug purposes so we can backtrack when problems occur. Others are
reserved for future expansion.
This patch is based on a prototype from Steve Whitehouse.
Signed-off-by: Bob Peterson <[email protected]>
Signed-off-by: Andreas Gruenbacher <[email protected]>
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This patch switches GFS2's implementation of fiemap from the old
block_map code to the new iomap interface.
Signed-off-by: Bob Peterson <[email protected]>
Signed-off-by: Andreas Gruenbacher <[email protected]>
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Ever since commit 45f035ab9b8f ("CONFIG_HOTPLUG should be always on"),
it has been basically impossible to build a kernel with CONFIG_HOTPLUG
turned off. Remove all the remaining references to it.
Cc: Russell King <[email protected]>
Cc: Doug Thompson <[email protected]>
Cc: Bjorn Helgaas <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Pavel Machek <[email protected]>
Cc: "Rafael J. Wysocki" <[email protected]>
Cc: Andrew Morton <[email protected]>
Signed-off-by: Stephen Rothwell <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Acked-by: Hans Verkuil <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Fix build errors by correcting DLM dependencies in GFS2.
Build errors happen when CONFIG_GFS2_FS_LOCKING_DLM=y and CONFIG_DLM=m:
fs/built-in.o: In function `gfs2_lock':
file.c:(.text+0xc7abd): undefined reference to `dlm_posix_get'
file.c:(.text+0xc7ad0): undefined reference to `dlm_posix_unlock'
file.c:(.text+0xc7ad9): undefined reference to `dlm_posix_lock'
fs/built-in.o: In function `gdlm_unmount':
lock_dlm.c:(.text+0xd6e5b): undefined reference to `dlm_release_lockspace'
fs/built-in.o: In function `sync_unlock':
lock_dlm.c:(.text+0xd6e9e): undefined reference to `dlm_unlock'
fs/built-in.o: In function `sync_lock':
lock_dlm.c:(.text+0xd6fb6): undefined reference to `dlm_lock'
fs/built-in.o: In function `gdlm_put_lock':
lock_dlm.c:(.text+0xd7238): undefined reference to `dlm_unlock'
fs/built-in.o: In function `gdlm_mount':
lock_dlm.c:(.text+0xd753e): undefined reference to `dlm_new_lockspace'
lock_dlm.c:(.text+0xd79d3): undefined reference to `dlm_release_lockspace'
fs/built-in.o: In function `gdlm_lock':
lock_dlm.c:(.text+0xd8179): undefined reference to `dlm_lock'
fs/built-in.o: In function `gdlm_cancel':
lock_dlm.c:(.text+0xd6b22): undefined reference to `dlm_unlock'
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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Avoids having to duplicate the dependencies of what is 'select'ed (and on
down...)
Those dependencies are currently incomplete, leading to broken builds with
GFS2_FS_LOCKING_DLM=y and IP_SCTP=n.
Signed-off-by: Benjamin Poirier <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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I think the time has arrvied to remove the experimental tag
from GFS2.
Signed-off-by: Steven Whitehouse <[email protected]>
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Workqueue can now handle high concurrency. Convert gfs to use
workqueue instead of slow-work.
* Steven pointed out that recovery path might be run from allocation
path and thus requires forward progress guarantee without memory
allocation. Create and use gfs_recovery_wq with rescuer. Please
note that forward progress wasn't guaranteed with slow-work.
* Updated to use non-reentrant workqueue.
Signed-off-by: Tejun Heo <[email protected]>
Acked-by: Steven Whitehouse <[email protected]>
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gfs2 only needs the quotactl code, not the generic quota implementation.
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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This reverts commit e4c570c4cb7a95dbfafa3d016d2739bf3fdfe319, as
requested by Alexey:
"I think I gave a good enough arguments to not merge it.
To iterate:
* patch makes impossible to start using ext3 on EXT3_FS=n kernels
without reboot.
* this is done only for one pointer on task_struct"
None of config options which define task_struct are tristate directly
or effectively."
Requested-by: Alexey Dobriyan <[email protected]>
Acked-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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journal_info in task_struct is used in journaling file system only. So
introduce CONFIG_FS_JOURNAL_INFO and make it conditional.
Signed-off-by: Hiroshi Shimamoto <[email protected]>
Cc: Chris Mason <[email protected]>
Cc: "Theodore Ts'o" <[email protected]>
Cc: Steven Whitehouse <[email protected]>
Cc: KONISHI Ryusuke <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
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The plan is to add further operations to the gfs2_quotactl_ops
in future patches. The sync operation is easy, so we start with
that one.
We plan to use the XFS quota control functions because they more
closely match the GFS2 ones.
Signed-off-by: Steven Whitehouse <[email protected]>
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Follow-up to "block: enable by default support for large devices
and files on 32-bit archs".
Rename CONFIG_LBD to CONFIG_LBDAF to:
- allow update of existing [def]configs for "default y" change
- reflect that it is used also for large files support nowadays
Signed-off-by: Bartlomiej Zolnierkiewicz <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
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This patch fixes a race condition where we can receive recovery
requests part way through processing a umount. This was causing
problems since the recovery thread had already gone away.
Looking in more detail at the recovery code, it was really trying
to implement a slight variation on a work queue, and that happens to
align nicely with the recently introduced slow-work subsystem. As a
result I've updated the code to use slow-work, rather than its own home
grown variety of work queue.
When using the wait_on_bit() function, I noticed that the wait function
that was supplied as an argument was appearing in the WCHAN field, so
I've updated the function names in order to produce more meaningful
output.
Signed-off-by: Steven Whitehouse <[email protected]>
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This is the big patch that I've been working on for some time
now. There are many reasons for wanting to make this change
such as:
o Reducing overhead by eliminating duplicated fields between structures
o Simplifcation of the code (reduces the code size by a fair bit)
o The locking interface is now the DLM interface itself as proposed
some time ago.
o Fewer lookups of glocks when processing replies from the DLM
o Fewer memory allocations/deallocations for each glock
o Scope to do further optimisations in the future (but this patch is
more than big enough for now!)
Please note that (a) this patch relates to the lock_dlm module and
not the DLM itself, that is still a separate module; and (b) that
we retain the ability to build GFS2 as a standalone single node
filesystem with out requiring the DLM.
This patch needs a lot of testing, hence my keeping it I restarted
my -git tree after the last merge window. That way, this has the maximum
exposure before its merged. This is (modulo a few minor bug fixes) the
same patch that I've been posting on and off the the last three months
and its passed a number of different tests so far.
Signed-off-by: Steven Whitehouse <[email protected]>
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As a result of this recent patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=b3a6ffe16b5cc48abe7db8d04882dc45280eb693
We only need to depend on LBD.
Reported-by: Fabio M. Di Nitto <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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This patch merges the lock_nolock module into GFS2 itself. As well as removing
some of the overhead of the module, it also means that its now impossible to
build GFS2 without a lock module (which would be a pointless thing to do
anyway).
We also plan to merge lock_dlm into GFS2 in the future, but that is a more
tricky task, and will therefore be a separate patch.
Signed-off-by: Steven Whitehouse <[email protected]>
Cc: David Teigland <[email protected]>
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We need to ensure that sector_t is 64bits for GFS2, so that we need to
depend on LBD as well as LSF.
Signed-off-by: Steven Whitehouse <[email protected]>
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The blocks counter is almost a duplicate of the i_blocks
field in the VFS inode. The only difference is that i_blocks
can be only 32bits long for 32bit arch without large single file
support. Since GFS2 doesn't handle the non-large single file
case (for 32 bit anyway) this adds a new config dependency on
64BIT || LSF. This has always been the case, however we've never
explicitly said so before.
Even if we do add support for the non-LSF case, we will still
not require this field to be duplicated since we will not be
able to access oversized files anyway.
So the net result of all this is that we shave 8 bytes from a gfs2_inode
and get our config deps correct.
Signed-off-by: Steven Whitehouse <[email protected]>
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Indent help text as expected.
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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On Sun, Jan 28, 2007 at 11:08:18AM +0100, Jiri Slaby wrote:
> Andrew Morton napsal(a):
> >Temporarily at
> >
> > http://userweb.kernel.org/~akpm/2.6.20-rc6-mm1/
>
> Unable to select IPV6. Menuconfig doesn't offer it when INET is selected.
> When it's not it appears in the menu, but after state change it gets away.
> The same behaviour in xconfig, gconfig.
>
> $ mkdir ../a/tst
> $ make O=../a/tst menuconfig
> HOSTCC scripts/basic/fixdep
> [...]
> HOSTLD scripts/kconfig/mconf
> scripts/kconfig/mconf arch/i386/Kconfig
> Warning! Found recursive dependency: INET GFS2_FS_LOCKING_DLM SYSFS
> OCFS2_FS INET
>
> Maybe this is the problem?
Yes, patch below.
> regards,
cu
Adrian
<-- snip -->
This patch fixes a circular dependency by letting GFS2_FS_LOCKING_DLM
and DLM depend on instead of select SYSFS.
Since SYSFS depends on EMBEDDED this change shouldn't cause any problems
for users.
Signed-off-by: Adrian Bunk <[email protected]>
Acked-by: Randy Dunlap <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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With CONFIG_DLM=m, CONFIG_PROC_FS=n, and CONFIG_SYSFS=n, kernel build
fails with:
WARNING: "kernel_subsys" [fs/gfs2/locking/dlm/lock_dlm.ko] undefined!
WARNING: "kernel_subsys" [fs/dlm/dlm.ko] undefined!
WARNING: "kernel_subsys" [fs/configfs/configfs.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
Since fs/dlm/lockspace.c and fs/gfs2/locking/dlm/sysfs.c use
kernel_subsys, they should either DEPEND on it or SELECT it.
Signed-off-by: Randy Dunlap <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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Here is a patch to fix up the Kconfig so that we don't land up with
problems when people disable the NET subsystem. Thanks for all the hints and
suggestions that people have sent me regarding this.
Signed-off-by: Steven Whitehouse <[email protected]>
Cc: Aleksandr Koltsoff <[email protected]>
Cc: Toralf Förster <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Adrian Bunk <[email protected]>
Cc: Chris Zubrzycki <[email protected]>
Cc: Patrick Caulfield <[email protected]>
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GFS2 requires the CRC32 library function. This was reported by
Toralf Förster.
Cc: Toralf Förster <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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List new development mailing list and correct web page url.
Signed-off-by: David Teigland <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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Remove select of SYSFS as requested by Greg KH. Change whitespace to
tabs rather than spaces in places where it was incorrect and removed
'default m' as suggested by Adrian Bunk.
Reorganised Makefile as suggested by Sam Ravnborg.
Cc: Sam Ravnborg <[email protected]>
Cc: Adrian Bunk <[email protected]>
Cc: Greg KH <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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This patch contains all the core files for GFS2.
Signed-off-by: David Teigland <[email protected]>
Signed-off-by: Steven Whitehouse <[email protected]>
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