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* quota: Make QUOTACTL config be selected by its usersJan Kara2010-10-051-0/+1
| | | | | | | | | Remove "depends on" line from QUOTACTL config option and rather select the option explicitely from config options which need it. It makes more sense this way and also fixes Kconfig warning due to GFS2 selecting QUOTACTL but QUOTACTL not depending on it. Signed-off-by: Jan Kara <jack@suse.cz>
* xfs: use generic Posix ACL codeChristoph Hellwig2009-06-101-0/+1
| | | | | | | | | | | | This patch rips out the XFS ACL handling code and uses the generic fs/posix_acl.c code instead. The ondisk format is of course left unchanged. This also introduces the same ACL caching all other Linux filesystems do by adding pointers to the acl and default acl in struct xfs_inode. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Eric Sandeen <sandeen@sandeen.net>
* xfs: fix dentry aliasing issues in open_by_handleChristoph Hellwig2009-01-191-0/+1
| | | | | | | | | | | | | | | | | | Open by handle just grabs an inode by handle and then creates itself a dentry for it. While this works for regular files it is horribly broken for directories, where the VFS locking relies on the fact that there is only just one single dentry for a given inode, and that these are always connected to the root of the filesystem so that it's locking algorithms work (see Documentations/filesystems/Locking) Remove all the existing open by handle code and replace it with a small wrapper around the exportfs code which deals with all these issues. At the same time we also make the checks for a valid handle strict enough to reject all not perfectly well formed handles - given that we never hand out others that's okay and simplifies the code. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com>
* [XFS] allow enabling CONFIG_XFS_DEBUGChristoph Hellwig2008-04-291-0/+13
| | | | | | | | | | | | | Back when I first submitted XFS for mainline inclusion we made the decision that the debug code is far to extensive to be accidentally enabled by users in mainline. But then again it's often quite useful to track problems down and hacking the makefile all the time is rather annoying. Given all the debug options with even more overhead like lockdep or DEBUG_PAGE_ALLOC users (or rather developers) should know by now what they're doing. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [XFS] Remove CONFIG_XFS_SECURITY.Eric Sandeen2008-04-181-12/+0
| | | | | | | | | | | | | | There is no point to the CONFIG_XFS_SECURITY option; it disables the ability to set security attributes at runtime, but it does not actually slim down or remove any code for runtime. Just remove it and always allow security attributes to be set. SGI-PV: 980310 SGI-Modid: xfs-linux-melb:xfs-kern:30877a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
* [PATCH] BLOCK: Make it possible to disable the block layer [try #6]David Howells2006-09-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make it possible to disable the block layer. Not all embedded devices require it, some can make do with just JFFS2, NFS, ramfs, etc - none of which require the block layer to be present. This patch does the following: (*) Introduces CONFIG_BLOCK to disable the block layer, buffering and blockdev support. (*) Adds dependencies on CONFIG_BLOCK to any configuration item that controls an item that uses the block layer. This includes: (*) Block I/O tracing. (*) Disk partition code. (*) All filesystems that are block based, eg: Ext3, ReiserFS, ISOFS. (*) The SCSI layer. As far as I can tell, even SCSI chardevs use the block layer to do scheduling. Some drivers that use SCSI facilities - such as USB storage - end up disabled indirectly from this. (*) Various block-based device drivers, such as IDE and the old CDROM drivers. (*) MTD blockdev handling and FTL. (*) JFFS - which uses set_bdev_super(), something it could avoid doing by taking a leaf out of JFFS2's book. (*) Makes most of the contents of linux/blkdev.h, linux/buffer_head.h and linux/elevator.h contingent on CONFIG_BLOCK being set. sector_div() is, however, still used in places, and so is still available. (*) Also made contingent are the contents of linux/mpage.h, linux/genhd.h and parts of linux/fs.h. (*) Makes a number of files in fs/ contingent on CONFIG_BLOCK. (*) Makes mm/bounce.c (bounce buffering) contingent on CONFIG_BLOCK. (*) set_page_dirty() doesn't call __set_page_dirty_buffers() if CONFIG_BLOCK is not enabled. (*) fs/no-block.c is created to hold out-of-line stubs and things that are required when CONFIG_BLOCK is not set: (*) Default blockdev file operations (to give error ENODEV on opening). (*) Makes some /proc changes: (*) /proc/devices does not list any blockdevs. (*) /proc/diskstats and /proc/partitions are contingent on CONFIG_BLOCK. (*) Makes some compat ioctl handling contingent on CONFIG_BLOCK. (*) If CONFIG_BLOCK is not defined, makes sys_quotactl() return -ENODEV if given command other than Q_SYNC or if a special device is specified. (*) In init/do_mounts.c, no reference is made to the blockdev routines if CONFIG_BLOCK is not defined. This does not prohibit NFS roots or JFFS2. (*) The bdflush, ioprio_set and ioprio_get syscalls can now be absent (return error ENOSYS by way of cond_syscall if so). (*) The seclvl_bd_claim() and seclvl_bd_release() security calls do nothing if CONFIG_BLOCK is not set, since they can't then happen. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
* [XFS] Remove unneeded conditional code on NFS export interface relatedNathan Scott2006-06-191-6/+0
| | | | | | | | | code paths. SGI-PV: 904196 SGI-Modid: xfs-linux-melb:xfs-kern:26250a Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Minor XFS documentation updates.Nathan Scott2006-06-131-10/+11
| | | | Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] fix XFS quota for modular XFS buildsNathan Scott2005-11-031-1/+1
| | | | | | | | | | | | | | | | | | | Cannot build XFS filesystem support as module with quota support. It works only when the XFS filesystem support is compiled into the kernel. Menuconfig prevents from setting CONFIG_XFS_FS=m and CONFIG_XFS_QUOTA=y. How to reproduce: configure the XFS filesystem with quota support as module. The resulting kernel won't have quota support compiled into xfs.ko. Fix: Changing the fs/xfs/Kconfig file from tristate to bool lets you configure the quota support to be compiled into the XFS module. The Makefile-linux-2.6 checks only for CONFIG_XFS_QUOTA=y. Signed-off-by: Dimitri Puzin <tristan-777@ddkom-online.de> Signed-off-by: Adrian Bunk <bunk@stusta.de> signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Nathan Scott <nathans@sgi.com>
* [XFS] Remove special Kconfig XFS menu, make XFS options "inline".Nathan Scott2005-09-081-24/+21
| | | | | Signed-off-by: Eric Sandeen <sandeen@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
* Linux-2.6.12-rc2Linus Torvalds2005-04-161-0/+85
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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