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* fs: add CONFIG_BUFFER_HEADChristoph Hellwig2023-08-021-0/+1
| | | | | | | | | | | | | | | | | | 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 <hch@lst.de> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Link: https://lore.kernel.org/r/20230801172201.1923299-7-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
* treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner2019-05-211-0/+1
| | | | | | | | | | | | | | 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 <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* block: remove CONFIG_LBDAFChristoph Hellwig2019-04-061-1/+0
| | | | | | | | | | | | | | | | 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 <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* gfs2: Fix the crc32c dependencyAndreas Gruenbacher2018-02-011-2/+1
| | | | | | | | | | 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 <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com>
* GFS2: Introduce new gfs2_log_header_v2Bob Peterson2018-01-231-0/+2
| | | | | | | | | | | | | 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 <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
* GFS2: Switch fiemap implementation to use iomapBob Peterson2017-10-311-0/+1
| | | | | | | | This patch switches GFS2's implementation of fiemap from the old block_map code to the new iomap interface. Signed-off-by: Bob Peterson <rpeterso@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
* Finally eradicate CONFIG_HOTPLUGStephen Rothwell2013-06-031-3/+2
| | | | | | | | | | | | | | | | | | | 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 <linux@arm.linux.org.uk> Cc: Doug Thompson <dougthompson@xmission.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Pavel Machek <pavel@ucw.cz> Cc: "Rafael J. Wysocki" <rjw@sisk.pl> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* GFS2: fix DLM depends to fix build errorsRandy Dunlap2013-05-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 <rdunlap@infradead.org> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: use depends instead of select in kconfigBenjamin Poirier2012-03-261-5/+2
| | | | | | | | | | | | 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 <bpoirier@suse.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: No longer experimentalSteven Whitehouse2010-09-201-1/+1
| | | | | | | I think the time has arrvied to remove the experimental tag from GFS2. Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* gfs2: use workqueue instead of slow-workTejun Heo2010-07-231-1/+0
| | | | | | | | | | | | | | | 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 <tj@kernel.org> Acked-by: Steven Whitehouse <swhiteho@redhat.com>
* GFS2: do not select QUOTAChristoph Hellwig2010-03-091-1/+0
| | | | | | | gfs2 only needs the quotactl code, not the generic quota implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* Revert "task_struct: make journal_info conditional"Linus Torvalds2009-12-171-1/+0
| | | | | | | | | | | | | | | | | | 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 <adobriyan@gmail.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* task_struct: make journal_info conditionalHiroshi Shimamoto2009-12-151-0/+1
| | | | | | | | | | | | | 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 <h-shimamoto@ct.jp.nec.com> Cc: Chris Mason <chris.mason@oracle.com> Cc: "Theodore Ts'o" <tytso@mit.edu> Cc: Steven Whitehouse <swhiteho@redhat.com> Cc: KONISHI Ryusuke <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* GFS2: Hook gfs2_quota_sync into VFS via gfs2_quotactl_opsSteven Whitehouse2009-12-031-0/+2
| | | | | | | | | | | 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 <swhiteho@redhat.com>
* block: rename CONFIG_LBD to CONFIG_LBDAFBartlomiej Zolnierkiewicz2009-06-191-1/+1
| | | | | | | | | | | | 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 <bzolnier@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* GFS2: Umount recovery race fixSteven Whitehouse2009-05-191-0/+1
| | | | | | | | | | | | | | | | | | | 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 <swhiteho@redhat.com>
* GFS2: Merge lock_dlm module into GFS2Steven Whitehouse2009-03-241-7/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | 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 <swhiteho@redhat.com>
* GFS2: LSF and LBD are now one and the sameSteven Whitehouse2009-01-071-1/+1
| | | | | | | | | 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 <fdinitto@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] No lock_nolockSteven Whitehouse2008-06-271-15/+3
| | | | | | | | | | | | | 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 <swhiteho@redhat.com> Cc: David Teigland <teigland@redhat.com>
* [GFS2] Need to ensure that sector_t is 64bits for GFS2Steven Whitehouse2008-03-311-1/+1
| | | | | | | 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 <swhiteho@redhat.com>
* [GFS2] Eliminate (almost) duplicate field from gfs2_inodeSteven Whitehouse2008-03-311-1/+1
| | | | | | | | | | | | | | | | | | | 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 <swhiteho@redhat.com>
* [DLM/GFS2] indent help textRandy Dunlap2007-02-051-23/+22
| | | | | | | Indent help text as expected. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2/DLM] fix GFS2 circular dependencyAdrian Bunk2007-02-051-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 <bunk@stusta.de> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2/DLM] use sysfsRandy Dunlap2007-02-051-0/+1
| | | | | | | | | | | | | | | | | 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 <randy.dunlap@oracle.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Fix KconfigSteven Whitehouse2006-12-151-1/+3
| | | | | | | | | | | | | | 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 <swhiteho@redhat.com> Cc: Aleksandr Koltsoff <czr@iki.fi> Cc: Toralf Förster <toralf.foerster@gmx.de> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Adrian Bunk <bunk@stusta.de> Cc: Chris Zubrzycki <chris@middle--earth.org> Cc: Patrick Caulfield <pcaulfie@redhat.com>
* [GFS2] Fix Kconfig wrt CRC32Steven Whitehouse2006-11-301-0/+1
| | | | | | | | GFS2 requires the CRC32 library function. This was reported by Toralf Förster. Cc: Toralf Förster <toralf.foerster@gmx.de> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] gfs2/dlm: mailing list and web pageDavid Teigland2006-06-221-1/+1
| | | | | | | List new development mailing list and correct web page url. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] Tidy up Makefile & KconfigSteven Whitehouse2006-04-241-14/+12
| | | | | | | | | | | | | 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 <sam@ravnborg.org> Cc: Adrian Bunk <bunk@stusta.de> Cc: Greg KH <greg@kroah.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
* [GFS2] The core of GFS2David Teigland2006-01-161-0/+46
This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
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