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path: root/fs/xfs/xfs_acl.h
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2018-06-07xfs: convert to SPDX license tagsDave Chinner1-13/+1
Remove the verbose license text from XFS files and replace them with SPDX tags. This does not change the license of any of the code, merely refers to the common, up-to-date license files in LICENSES/ This change was mostly scripted. fs/xfs/Makefile and fs/xfs/libxfs/xfs_fs.h were modified by hand, the rest were detected and modified by the following command: for f in `git grep -l "GNU General" fs/xfs/` ; do echo $f cat $f | awk -f hdr.awk > $f.new mv -f $f.new $f done And the hdr.awk script that did the modification (including detecting the difference between GPL-2.0 and GPL-2.0+ licenses) is as follows: $ cat hdr.awk BEGIN { hdr = 1.0 tag = "GPL-2.0" str = "" } /^ \* This program is free software/ { hdr = 2.0; next } /any later version./ { tag = "GPL-2.0+" next } /^ \*\// { if (hdr > 0.0) { print "// SPDX-License-Identifier: " tag print str print $0 str="" hdr = 0.0 next } print $0 next } /^ \* / { if (hdr > 1.0) next if (hdr > 0.0) { if (str != "") str = str "\n" str = str $0 next } print $0 next } /^ \*/ { if (hdr > 0.0) next print $0 next } // { if (hdr > 0.0) { if (str != "") str = str "\n" str = str $0 next } print $0 } END { } $ Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2017-06-28xfs: Don't clear SGID when inheriting ACLsJan Kara1-0/+1
When new directory 'DIR1' is created in a directory 'DIR0' with SGID bit set, DIR1 is expected to have SGID bit set (and owning group equal to the owning group of 'DIR0'). However when 'DIR0' also has some default ACLs that 'DIR1' inherits, setting these ACLs will result in SGID bit on 'DIR1' to get cleared if user is not member of the owning group. Fix the problem by calling __xfs_set_acl() instead of xfs_set_acl() when setting up inode in xfs_generic_create(). That prevents SGID bit clearing and mode is properly set by posix_acl_create() anyway. We also reorder arguments of __xfs_set_acl() to match the ordering of xfs_set_acl() to make things consistent. Fixes: 073931017b49d9458aa351605b43a7e34598caef CC: stable@vger.kernel.org CC: Darrick J. Wong <darrick.wong@oracle.com> CC: linux-xfs@vger.kernel.org Signed-off-by: Jan Kara <jack@suse.cz> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
2015-12-07xfs: Change how listxattr generates synthetic attributesAndreas Gruenbacher1-4/+0
Instead of adding the synthesized POSIX ACL attribute names after listing all non-synthesized attributes, generate them immediately when listing the non-synthesized attributes. In addition, merge xfs_xattr_put_listent and xfs_xattr_put_listent_sizes to ensure that the list size is computed correctly; the split version was overestimating the list size for non-root users. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Cc: Dave Chinner <david@fromorbit.com> Cc: xfs@oss.sgi.com Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2015-11-10xfs: Fix error path in xfs_get_aclAndreas Gruenbacher1-1/+0
Error codes from xfs_attr_get other than -ENOATTR were not properly reported. Fix that. In addition, the declaration of struct xfs_inode in xfs_acl.h isn't needed. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2015-11-03xfs: invalidate cached acl if set via ioctlAndreas Gruenbacher1-0/+3
Setting or removing the "SGI_ACL_[FILE|DEFAULT]" attributes via the XFS_IOC_ATTRMULTI_BY_HANDLE ioctl completely bypasses the POSIX ACL infrastructure, like setting the "trusted.SGI_ACL_[FILE|DEFAULT]" xattrs did until commit 6caa1056. Similar to that commit, invalidate cached acls when setting/removing them via the ioctl as well. Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-11-28xfs: move acl structures to xfs_format.hChristoph Hellwig1-36/+0
Move the on-disk ACL format to xfs_format.h, so that repair can use the common defintion. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
2014-01-26xfs: use generic posix ACL infrastructureChristoph Hellwig1-7/+2
Also don't bother to set up a .get_acl method for symlinks as we do not support access control (ACLs or even mode bits) for symlinks in Linux, and create inodes with the proper mode instead of fixing it up later. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-06-06xfs: increase number of ACL entries for V5 superblocksDave Chinner1-7/+24
The limit of 25 ACL entries is arbitrary, but baked into the on-disk format. For version 5 superblocks, increase it to the maximum nuber of ACLs that can fit into a single xattr. Signed-off-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Mark Tinguely <tinuguely@sgi.com> Signed-off-by: Ben Myers <bpm@sgi.com> (cherry picked from commit 5c87d4bc1a86bd6e6754ac3d6e111d776ddcfe57)
2011-07-29xfs: Fix build breakage in xfs_iops.c when CONFIG_FS_POSIX_ACL is not setMarkus Trippelsdorf1-1/+4
commit 4e34e719e45, that takes the ACL checks to common code, accidentely broke the build when CONFIG_FS_POSIX_ACL is not set: CC fs/xfs/linux-2.6/xfs_iops.o fs/xfs/linux-2.6/xfs_iops.c:1025:14: error: ‘xfs_get_acl’ undeclared here (not in a function) Fix this by declaring xfs_get_acl a static inline function. Signed-off-by: Markus Trippelsdorf <markus@trippelsdorf.de> Signed-off-by: Alex Elder <aelder@sgi.com>
2011-07-25fs: take the ACL checks to common codeChristoph Hellwig1-2/+0
Replace the ->check_acl method with a ->get_acl method that simply reads an ACL from disk after having a cache miss. This means we can replace the ACL checking boilerplate code with a single implementation in namei.c. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-07-20->permission() sanitizing: don't pass flags to ->check_acl()Al Viro1-1/+1
not used in the instances anymore. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-01-07fs: provide rcu-walk aware permission i_opsNick Piggin1-1/+1
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
2010-05-22xfs: constify xattr_handlerStephen Hemminger1-2/+2
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2010-01-20xfs: convert attr to use unsigned namesDave Chinner1-2/+2
To be consistent with the directory code, the attr code should use unsigned names. Convert the names from the vfs at the highest level to unsigned, and ænsure they are consistenly used as unsigned down to disk. Signed-off-by: Dave Chinner <david@fromorbit.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
2009-12-16sanitize xattr handler prototypesChristoph Hellwig1-1/+2
Add a flags argument to struct xattr_handler and pass it to all xattr handler methods. This allows using the same methods for multiple handlers, e.g. for the ACL methods which perform exactly the same action for the access and default ACLs, just using a different underlying attribute. With a little more groundwork it'll also allow sharing the methods for the regular user/trusted/secure handlers in extN, ocfs2 and jffs2 like it's already done for xfs in this patch. Also change the inode argument to the handlers to a dentry to allow using the handlers mechnism for filesystems that require it later, e.g. cifs. [with GFS2 bits updated by Steven Whitehouse <swhiteho@redhat.com>] Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: James Morris <jmorris@namei.org> Acked-by: Joel Becker <joel.becker@oracle.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-24switch xfs to generic acl caching helpersAl Viro1-4/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2009-06-10xfs: use generic Posix ACL codeChristoph Hellwig1-65/+32
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>
2009-03-31Revert "xfs: increase the maximum number of supported ACL entries"Felix Blyakher1-1/+1
This reverts commit 8b112171734c791afaf43ccc8c6ec492e7006e44. Premature unintended commit. Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-03-28xfs: increase the maximum number of supported ACL entriesFelix Blyakher1-1/+1
With big installation current 25 maximum number of supported ACL entries is not enough any more. Increase the limit to 100. Signed-off-by: Felix Blyakher <felixb@sgi.com>
2009-01-09[XFS] Remove several unused typedefs.Eric Sandeen1-1/+0
Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Reviewed-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-08-13[XFS] kill bhv_vnode_tChristoph Hellwig1-7/+7
All remaining bhv_vnode_t instance are in code that's more or less Linux specific. (Well, for xfs_acl.c that could be argued, but that code is on the removal list, too). So just do an s/bhv_vnode_t/struct inode/ over the whole tree. We can clean up variable naming and some useless helpers later. SGI-PV: 981498 SGI-Modid: xfs-linux-melb:xfs-kern:31781a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-07-28[XFS] Fix up problem when CONFIG_XFS_POSIX_ACL is not set and yet we stillTim Shimmin1-2/+2
can use the _ACL_TYPE_* definitions in linux-2.6/xfs_xattr.c. The forthcoming generic acl code will also fix this problem. SGI-PV: 982343 SGI-Modid: xfs-linux-melb:xfs-kern:31369a Signed-off-by: Tim Shimmin <tes@sgi.com> Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2008-02-07[XFS] use generic_permissionChristoph Hellwig1-2/+0
Now that all direct caller of xfs_iaccess are gone we can kill xfs_iaccess and xfs_access and just use generic_permission with a check_acl callback. This is required for the per-mount read-only patchset in -mm to work properly with XFS. SGI-PV: 971186 SGI-Modid: xfs-linux-melb:xfs-kern:30370a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
2007-10-16[XFS] simplify xfs_create/mknod/symlink prototypeChristoph Hellwig1-3/+3
Simplify the prototype for xfs_create/xfs_mkdir/xfs_symlink by not passing down a bhv_vattr_t that just hogs stack space. Instead pass down the mode in a mode_t and in case of xfs_create the rdev as a scalar type as well. SGI-PV: 968563 SGI-Modid: xfs-linux-melb:xfs-kern:29794a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2007-10-16[XFS] kill struct bhv_vnodeChristoph Hellwig1-8/+7
Now that struct bhv_vnode is empty we can just kill it. Retain bhv_vnode_t as a typedef for struct inode for the time being until all the fallout is cleaned up. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29500a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
2006-06-09[XFS] Resolve a namespace collision on remaining vtypes for FreeBSDNathan Scott1-1/+1
porters. SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26108a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-06-09[XFS] Resolve a namespace collision on vnode/vnodeops for FreeBSD porters.Nathan Scott1-8/+8
SGI-PV: 953338 SGI-Modid: xfs-linux-melb:xfs-kern:26107a Signed-off-by: Nathan Scott <nathans@sgi.com>
2006-03-22[XFS] Fixup naming inconsistencies found by Pekka Enberg and one from JanNathan Scott1-2/+2
Engelhardt. SGI-PV: 947038 SGI-Modid: xfs-linux-melb:xfs-kern:25529a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-11-02[XFS] Update license/copyright notices to match the prefered SGINathan Scott1-25/+11
boilerplate. SGI-PV: 913862 SGI-Modid: xfs-linux:xfs-kern:23903a Signed-off-by: Nathan Scott <nathans@sgi.com>
2005-04-17Linux-2.6.12-rc2Linus Torvalds1-0/+116
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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