2005-04-16 22:20:36 +00:00
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/*
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2005-11-02 03:58:39 +00:00
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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2005-04-16 22:20:36 +00:00
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*
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2005-11-02 03:58:39 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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2005-04-16 22:20:36 +00:00
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* published by the Free Software Foundation.
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*
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2005-11-02 03:58:39 +00:00
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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2005-04-16 22:20:36 +00:00
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*
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2005-11-02 03:58:39 +00:00
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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2005-04-16 22:20:36 +00:00
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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2009-06-10 15:07:47 +00:00
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#include "xfs_acl.h"
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2005-11-02 03:38:42 +00:00
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#include "xfs_bit.h"
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2005-04-16 22:20:36 +00:00
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#include "xfs_log.h"
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2005-11-02 03:38:42 +00:00
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#include "xfs_inum.h"
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2005-04-16 22:20:36 +00:00
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#include "xfs_trans.h"
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#include "xfs_sb.h"
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#include "xfs_ag.h"
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#include "xfs_dir2.h"
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#include "xfs_alloc.h"
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#include "xfs_dmapi.h"
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#include "xfs_quota.h"
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#include "xfs_mount.h"
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#include "xfs_bmap_btree.h"
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2005-11-02 03:38:42 +00:00
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#include "xfs_alloc_btree.h"
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2005-04-16 22:20:36 +00:00
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#include "xfs_ialloc_btree.h"
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#include "xfs_dir2_sf.h"
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2005-11-02 03:38:42 +00:00
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#include "xfs_attr_sf.h"
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2005-04-16 22:20:36 +00:00
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#include "xfs_dinode.h"
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#include "xfs_inode.h"
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#include "xfs_bmap.h"
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2005-11-02 03:38:42 +00:00
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#include "xfs_btree.h"
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#include "xfs_ialloc.h"
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2005-04-16 22:20:36 +00:00
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#include "xfs_rtalloc.h"
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#include "xfs_error.h"
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#include "xfs_itable.h"
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#include "xfs_rw.h"
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#include "xfs_attr.h"
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#include "xfs_buf_item.h"
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#include "xfs_utils.h"
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2007-08-29 00:58:01 +00:00
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#include "xfs_vnodeops.h"
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2009-12-14 23:14:59 +00:00
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#include "xfs_trace.h"
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2005-04-16 22:20:36 +00:00
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2006-01-11 20:17:46 +00:00
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#include <linux/capability.h>
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2005-04-16 22:20:36 +00:00
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#include <linux/xattr.h>
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#include <linux/namei.h>
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2009-06-10 15:07:47 +00:00
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#include <linux/posix_acl.h>
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2006-01-11 04:35:44 +00:00
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#include <linux/security.h>
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2007-11-23 05:29:25 +00:00
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#include <linux/falloc.h>
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2008-11-28 03:23:35 +00:00
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#include <linux/fiemap.h>
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include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-24 08:04:11 +00:00
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#include <linux/slab.h>
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2005-04-16 22:20:36 +00:00
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2006-01-11 04:35:17 +00:00
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/*
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2009-10-06 20:29:26 +00:00
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* Bring the timestamps in the XFS inode uptodate.
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*
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* Used before writing the inode to disk.
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2006-01-11 04:35:17 +00:00
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*/
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void
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2009-10-06 20:29:26 +00:00
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xfs_synchronize_times(
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2006-01-11 04:35:17 +00:00
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xfs_inode_t *ip)
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{
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2008-08-13 05:45:15 +00:00
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struct inode *inode = VFS_I(ip);
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2006-01-11 04:35:17 +00:00
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2009-10-06 20:29:26 +00:00
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ip->i_d.di_atime.t_sec = (__int32_t)inode->i_atime.tv_sec;
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ip->i_d.di_atime.t_nsec = (__int32_t)inode->i_atime.tv_nsec;
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ip->i_d.di_ctime.t_sec = (__int32_t)inode->i_ctime.tv_sec;
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ip->i_d.di_ctime.t_nsec = (__int32_t)inode->i_ctime.tv_nsec;
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ip->i_d.di_mtime.t_sec = (__int32_t)inode->i_mtime.tv_sec;
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ip->i_d.di_mtime.t_nsec = (__int32_t)inode->i_mtime.tv_nsec;
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2006-01-11 04:35:17 +00:00
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}
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2007-11-23 05:29:18 +00:00
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/*
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2008-10-30 06:36:14 +00:00
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* If the linux inode is valid, mark it dirty.
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2007-11-23 05:29:18 +00:00
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* Used when commiting a dirty inode into a transaction so that
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* the inode will get written back by the linux code
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*/
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void
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xfs_mark_inode_dirty_sync(
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xfs_inode_t *ip)
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{
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2008-08-13 05:45:15 +00:00
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struct inode *inode = VFS_I(ip);
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2007-11-23 05:29:18 +00:00
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2008-10-30 06:36:14 +00:00
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if (!(inode->i_state & (I_WILL_FREE|I_FREEING|I_CLEAR)))
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2008-03-06 02:46:43 +00:00
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mark_inode_dirty_sync(inode);
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2007-11-23 05:29:18 +00:00
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}
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2010-02-15 09:44:49 +00:00
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void
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xfs_mark_inode_dirty(
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xfs_inode_t *ip)
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{
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struct inode *inode = VFS_I(ip);
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if (!(inode->i_state & (I_WILL_FREE|I_FREEING|I_CLEAR)))
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mark_inode_dirty(inode);
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}
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2005-11-02 00:43:58 +00:00
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/*
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* Change the requested timestamp in the given inode.
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* We don't lock across timestamp updates, and we don't log them but
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* we do record the fact that there is dirty information in core.
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*/
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void
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xfs_ichgtime(
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xfs_inode_t *ip,
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int flags)
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{
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2008-08-13 06:00:45 +00:00
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struct inode *inode = VFS_I(ip);
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2005-11-02 00:43:58 +00:00
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timespec_t tv;
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2008-08-13 06:45:13 +00:00
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int sync_it = 0;
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2005-11-02 00:43:58 +00:00
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2008-08-13 06:45:13 +00:00
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tv = current_fs_time(inode->i_sb);
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if ((flags & XFS_ICHGTIME_MOD) &&
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!timespec_equal(&inode->i_mtime, &tv)) {
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2005-11-02 00:43:58 +00:00
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inode->i_mtime = tv;
|
2008-08-13 06:45:13 +00:00
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sync_it = 1;
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2005-11-02 00:43:58 +00:00
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}
|
2008-08-13 06:45:13 +00:00
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if ((flags & XFS_ICHGTIME_CHG) &&
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!timespec_equal(&inode->i_ctime, &tv)) {
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2005-11-02 00:43:58 +00:00
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inode->i_ctime = tv;
|
2008-08-13 06:45:13 +00:00
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sync_it = 1;
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2005-11-02 00:43:58 +00:00
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}
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/*
|
2009-10-06 20:29:26 +00:00
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* Update complete - now make sure everyone knows that the inode
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* is dirty.
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2005-11-02 00:43:58 +00:00
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*/
|
2009-10-06 20:29:26 +00:00
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if (sync_it)
|
2008-10-30 06:21:30 +00:00
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xfs_mark_inode_dirty_sync(ip);
|
2005-11-02 00:43:58 +00:00
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}
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|
2006-01-11 04:35:44 +00:00
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/*
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|
|
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* Hook in SELinux. This is not quite correct yet, what we really need
|
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* here (as we do for default ACLs) is a mechanism by which creation of
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* these attrs can be journalled at inode creation time (along with the
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* inode, of course, such that log replay can't cause these to be lost).
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*/
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STATIC int
|
2006-03-14 03:00:51 +00:00
|
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xfs_init_security(
|
2008-03-06 02:46:43 +00:00
|
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struct inode *inode,
|
2006-01-11 04:35:44 +00:00
|
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|
struct inode *dir)
|
|
|
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{
|
2008-03-06 02:46:43 +00:00
|
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|
struct xfs_inode *ip = XFS_I(inode);
|
2006-01-11 04:35:44 +00:00
|
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|
size_t length;
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|
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void *value;
|
2010-01-19 23:47:48 +00:00
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unsigned char *name;
|
2006-01-11 04:35:44 +00:00
|
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int error;
|
|
|
|
|
2010-01-19 23:47:48 +00:00
|
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error = security_inode_init_security(inode, dir, (char **)&name,
|
2008-03-06 02:46:43 +00:00
|
|
|
&value, &length);
|
2006-01-11 04:35:44 +00:00
|
|
|
if (error) {
|
|
|
|
if (error == -EOPNOTSUPP)
|
|
|
|
return 0;
|
|
|
|
return -error;
|
|
|
|
}
|
|
|
|
|
2008-03-06 02:46:43 +00:00
|
|
|
error = xfs_attr_set(ip, name, value, length, ATTR_SECURE);
|
2006-01-11 04:35:44 +00:00
|
|
|
|
|
|
|
kfree(name);
|
|
|
|
kfree(value);
|
|
|
|
return error;
|
|
|
|
}
|
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
static void
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|
|
|
xfs_dentry_to_name(
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|
|
|
struct xfs_name *namep,
|
|
|
|
struct dentry *dentry)
|
|
|
|
{
|
|
|
|
namep->name = dentry->d_name.name;
|
|
|
|
namep->len = dentry->d_name.len;
|
|
|
|
}
|
|
|
|
|
2007-02-10 07:34:56 +00:00
|
|
|
STATIC void
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_cleanup_inode(
|
2007-08-29 00:58:01 +00:00
|
|
|
struct inode *dir,
|
2008-03-06 02:46:43 +00:00
|
|
|
struct inode *inode,
|
2008-06-23 03:25:17 +00:00
|
|
|
struct dentry *dentry)
|
2006-02-01 01:14:34 +00:00
|
|
|
{
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name teardown;
|
2006-02-01 01:14:34 +00:00
|
|
|
|
|
|
|
/* Oh, the horror.
|
2006-03-14 02:33:36 +00:00
|
|
|
* If we can't add the ACL or we fail in
|
2006-03-14 03:00:51 +00:00
|
|
|
* xfs_init_security we must back out.
|
2006-02-01 01:14:34 +00:00
|
|
|
* ENOSPC can hit here, among other things.
|
|
|
|
*/
|
2008-04-10 02:22:07 +00:00
|
|
|
xfs_dentry_to_name(&teardown, dentry);
|
2006-02-01 01:14:34 +00:00
|
|
|
|
2008-06-23 03:25:17 +00:00
|
|
|
xfs_remove(XFS_I(dir), &teardown, XFS_I(inode));
|
2008-03-06 02:46:43 +00:00
|
|
|
iput(inode);
|
2006-02-01 01:14:34 +00:00
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_mknod(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry,
|
|
|
|
int mode,
|
|
|
|
dev_t rdev)
|
|
|
|
{
|
2008-03-06 02:44:35 +00:00
|
|
|
struct inode *inode;
|
2008-03-06 02:46:05 +00:00
|
|
|
struct xfs_inode *ip = NULL;
|
2009-06-10 15:07:47 +00:00
|
|
|
struct posix_acl *default_acl = NULL;
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name name;
|
2005-04-16 22:20:36 +00:00
|
|
|
int error;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Irix uses Missed'em'V split, but doesn't want to see
|
|
|
|
* the upper 5 bits of (14bit) major.
|
|
|
|
*/
|
2009-02-09 07:38:02 +00:00
|
|
|
if (S_ISCHR(mode) || S_ISBLK(mode)) {
|
|
|
|
if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
|
|
|
|
return -EINVAL;
|
|
|
|
rdev = sysv_encode_dev(rdev);
|
|
|
|
} else {
|
|
|
|
rdev = 0;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2009-06-10 15:07:47 +00:00
|
|
|
if (IS_POSIXACL(dir)) {
|
|
|
|
default_acl = xfs_get_acl(dir, ACL_TYPE_DEFAULT);
|
|
|
|
if (IS_ERR(default_acl))
|
|
|
|
return -PTR_ERR(default_acl);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2009-06-12 15:19:11 +00:00
|
|
|
if (!default_acl)
|
|
|
|
mode &= ~current_umask();
|
2009-06-10 15:07:47 +00:00
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2009-02-09 07:38:02 +00:00
|
|
|
xfs_dentry_to_name(&name, dentry);
|
|
|
|
error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
|
2008-03-06 02:44:35 +00:00
|
|
|
if (unlikely(error))
|
|
|
|
goto out_free_acl;
|
2006-01-11 04:35:44 +00:00
|
|
|
|
2008-08-13 05:45:15 +00:00
|
|
|
inode = VFS_I(ip);
|
2008-03-06 02:46:05 +00:00
|
|
|
|
|
|
|
error = xfs_init_security(inode, dir);
|
2008-03-06 02:44:35 +00:00
|
|
|
if (unlikely(error))
|
|
|
|
goto out_cleanup_inode;
|
|
|
|
|
|
|
|
if (default_acl) {
|
2009-06-10 15:07:47 +00:00
|
|
|
error = -xfs_inherit_acl(inode, default_acl);
|
2008-03-06 02:44:35 +00:00
|
|
|
if (unlikely(error))
|
|
|
|
goto out_cleanup_inode;
|
2009-06-10 15:07:47 +00:00
|
|
|
posix_acl_release(default_acl);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2008-03-06 02:44:35 +00:00
|
|
|
d_instantiate(dentry, inode);
|
|
|
|
return -error;
|
|
|
|
|
|
|
|
out_cleanup_inode:
|
2008-06-23 03:25:17 +00:00
|
|
|
xfs_cleanup_inode(dir, inode, dentry);
|
2008-03-06 02:44:35 +00:00
|
|
|
out_free_acl:
|
2009-06-10 15:07:47 +00:00
|
|
|
posix_acl_release(default_acl);
|
2005-04-16 22:20:36 +00:00
|
|
|
return -error;
|
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_create(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry,
|
|
|
|
int mode,
|
|
|
|
struct nameidata *nd)
|
|
|
|
{
|
2006-03-14 03:00:51 +00:00
|
|
|
return xfs_vn_mknod(dir, dentry, mode, 0);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_mkdir(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry,
|
|
|
|
int mode)
|
|
|
|
{
|
2006-03-14 03:00:51 +00:00
|
|
|
return xfs_vn_mknod(dir, dentry, mode|S_IFDIR, 0);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
STATIC struct dentry *
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_lookup(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry,
|
|
|
|
struct nameidata *nd)
|
|
|
|
{
|
2008-03-06 02:46:25 +00:00
|
|
|
struct xfs_inode *cip;
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name name;
|
2005-04-16 22:20:36 +00:00
|
|
|
int error;
|
|
|
|
|
|
|
|
if (dentry->d_name.len >= MAXNAMELEN)
|
|
|
|
return ERR_PTR(-ENAMETOOLONG);
|
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
xfs_dentry_to_name(&name, dentry);
|
2008-05-21 06:58:22 +00:00
|
|
|
error = xfs_lookup(XFS_I(dir), &name, &cip, NULL);
|
2006-06-09 07:00:52 +00:00
|
|
|
if (unlikely(error)) {
|
2005-04-16 22:20:36 +00:00
|
|
|
if (unlikely(error != ENOENT))
|
|
|
|
return ERR_PTR(-error);
|
|
|
|
d_add(dentry, NULL);
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2008-08-13 05:45:15 +00:00
|
|
|
return d_splice_alias(VFS_I(cip), dentry);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2008-05-21 06:58:22 +00:00
|
|
|
STATIC struct dentry *
|
|
|
|
xfs_vn_ci_lookup(
|
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry,
|
|
|
|
struct nameidata *nd)
|
|
|
|
{
|
|
|
|
struct xfs_inode *ip;
|
|
|
|
struct xfs_name xname;
|
|
|
|
struct xfs_name ci_name;
|
|
|
|
struct qstr dname;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
if (dentry->d_name.len >= MAXNAMELEN)
|
|
|
|
return ERR_PTR(-ENAMETOOLONG);
|
|
|
|
|
|
|
|
xfs_dentry_to_name(&xname, dentry);
|
|
|
|
error = xfs_lookup(XFS_I(dir), &xname, &ip, &ci_name);
|
|
|
|
if (unlikely(error)) {
|
|
|
|
if (unlikely(error != ENOENT))
|
|
|
|
return ERR_PTR(-error);
|
2008-05-22 07:21:40 +00:00
|
|
|
/*
|
|
|
|
* call d_add(dentry, NULL) here when d_drop_negative_children
|
|
|
|
* is called in xfs_vn_mknod (ie. allow negative dentries
|
|
|
|
* with CI filesystems).
|
|
|
|
*/
|
2008-05-21 06:58:22 +00:00
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* if exact match, just splice and exit */
|
|
|
|
if (!ci_name.name)
|
2008-08-13 05:45:15 +00:00
|
|
|
return d_splice_alias(VFS_I(ip), dentry);
|
2008-05-21 06:58:22 +00:00
|
|
|
|
|
|
|
/* else case-insensitive match... */
|
|
|
|
dname.name = ci_name.name;
|
|
|
|
dname.len = ci_name.len;
|
2008-08-07 21:49:07 +00:00
|
|
|
dentry = d_add_ci(dentry, VFS_I(ip), &dname);
|
2008-05-21 06:58:22 +00:00
|
|
|
kmem_free(ci_name.name);
|
|
|
|
return dentry;
|
|
|
|
}
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_link(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct dentry *old_dentry,
|
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry)
|
|
|
|
{
|
2008-12-03 11:20:27 +00:00
|
|
|
struct inode *inode = old_dentry->d_inode;
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name name;
|
2005-04-16 22:20:36 +00:00
|
|
|
int error;
|
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
xfs_dentry_to_name(&name, dentry);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
error = xfs_link(XFS_I(dir), XFS_I(inode), &name);
|
2008-12-03 11:20:27 +00:00
|
|
|
if (unlikely(error))
|
2008-03-06 02:46:12 +00:00
|
|
|
return -error;
|
|
|
|
|
2008-12-03 11:20:27 +00:00
|
|
|
atomic_inc(&inode->i_count);
|
2008-03-06 02:46:12 +00:00
|
|
|
d_instantiate(dentry, inode);
|
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_unlink(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry)
|
|
|
|
{
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name name;
|
2005-04-16 22:20:36 +00:00
|
|
|
int error;
|
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
xfs_dentry_to_name(&name, dentry);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-06-23 03:25:25 +00:00
|
|
|
error = -xfs_remove(XFS_I(dir), &name, XFS_I(dentry->d_inode));
|
|
|
|
if (error)
|
|
|
|
return error;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* With unlink, the VFS makes the dentry "negative": no inode,
|
|
|
|
* but still hashed. This is incompatible with case-insensitive
|
|
|
|
* mode, so invalidate (unhash) the dentry in CI-mode.
|
|
|
|
*/
|
|
|
|
if (xfs_sb_version_hasasciici(&XFS_M(dir->i_sb)->m_sb))
|
|
|
|
d_invalidate(dentry);
|
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_symlink(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *dir,
|
|
|
|
struct dentry *dentry,
|
|
|
|
const char *symname)
|
|
|
|
{
|
2008-03-06 02:46:19 +00:00
|
|
|
struct inode *inode;
|
|
|
|
struct xfs_inode *cip = NULL;
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name name;
|
2005-04-16 22:20:36 +00:00
|
|
|
int error;
|
2007-10-11 08:09:12 +00:00
|
|
|
mode_t mode;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-10-11 08:09:12 +00:00
|
|
|
mode = S_IFLNK |
|
2009-03-29 23:08:22 +00:00
|
|
|
(irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO);
|
2008-04-10 02:22:07 +00:00
|
|
|
xfs_dentry_to_name(&name, dentry);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip, NULL);
|
2008-03-06 02:46:19 +00:00
|
|
|
if (unlikely(error))
|
|
|
|
goto out;
|
|
|
|
|
2008-08-13 05:45:15 +00:00
|
|
|
inode = VFS_I(cip);
|
2008-03-06 02:46:19 +00:00
|
|
|
|
|
|
|
error = xfs_init_security(inode, dir);
|
|
|
|
if (unlikely(error))
|
|
|
|
goto out_cleanup_inode;
|
|
|
|
|
|
|
|
d_instantiate(dentry, inode);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
out_cleanup_inode:
|
2008-06-23 03:25:17 +00:00
|
|
|
xfs_cleanup_inode(dir, inode, dentry);
|
2008-03-06 02:46:19 +00:00
|
|
|
out:
|
2005-04-16 22:20:36 +00:00
|
|
|
return -error;
|
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_rename(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *odir,
|
|
|
|
struct dentry *odentry,
|
|
|
|
struct inode *ndir,
|
|
|
|
struct dentry *ndentry)
|
|
|
|
{
|
|
|
|
struct inode *new_inode = ndentry->d_inode;
|
2008-04-10 02:22:07 +00:00
|
|
|
struct xfs_name oname;
|
|
|
|
struct xfs_name nname;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-04-10 02:22:07 +00:00
|
|
|
xfs_dentry_to_name(&oname, odentry);
|
|
|
|
xfs_dentry_to_name(&nname, ndentry);
|
|
|
|
|
2008-06-23 03:25:25 +00:00
|
|
|
return -xfs_rename(XFS_I(odir), &oname, XFS_I(odentry->d_inode),
|
2008-04-22 07:34:06 +00:00
|
|
|
XFS_I(ndir), &nname, new_inode ?
|
|
|
|
XFS_I(new_inode) : NULL);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* careful here - this function can get called recursively, so
|
|
|
|
* we need to be very careful about how much stack we use.
|
|
|
|
* uio is kmalloced for this reason...
|
|
|
|
*/
|
[PATCH] Fix up symlink function pointers
This fixes up the symlink functions for the calling convention change:
* afs, autofs4, befs, devfs, freevxfs, jffs2, jfs, ncpfs, procfs,
smbfs, sysvfs, ufs, xfs - prototype change for ->follow_link()
* befs, smbfs, xfs - same for ->put_link()
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-08-19 23:17:39 +00:00
|
|
|
STATIC void *
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_follow_link(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct dentry *dentry,
|
|
|
|
struct nameidata *nd)
|
|
|
|
{
|
|
|
|
char *link;
|
2007-08-28 03:59:03 +00:00
|
|
|
int error = -ENOMEM;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2006-09-27 08:49:39 +00:00
|
|
|
link = kmalloc(MAXPATHLEN+1, GFP_KERNEL);
|
2007-08-28 03:59:03 +00:00
|
|
|
if (!link)
|
|
|
|
goto out_err;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2007-08-29 00:58:01 +00:00
|
|
|
error = -xfs_readlink(XFS_I(dentry->d_inode), link);
|
2007-08-28 03:59:03 +00:00
|
|
|
if (unlikely(error))
|
|
|
|
goto out_kfree;
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
nd_set_link(nd, link);
|
[PATCH] Fix up symlink function pointers
This fixes up the symlink functions for the calling convention change:
* afs, autofs4, befs, devfs, freevxfs, jffs2, jfs, ncpfs, procfs,
smbfs, sysvfs, ufs, xfs - prototype change for ->follow_link()
* befs, smbfs, xfs - same for ->put_link()
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-08-19 23:17:39 +00:00
|
|
|
return NULL;
|
2007-08-28 03:59:03 +00:00
|
|
|
|
|
|
|
out_kfree:
|
|
|
|
kfree(link);
|
|
|
|
out_err:
|
|
|
|
nd_set_link(nd, ERR_PTR(error));
|
|
|
|
return NULL;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2005-09-05 01:47:01 +00:00
|
|
|
STATIC void
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_put_link(
|
2005-09-05 01:47:01 +00:00
|
|
|
struct dentry *dentry,
|
|
|
|
struct nameidata *nd,
|
|
|
|
void *p)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2005-09-05 01:47:01 +00:00
|
|
|
char *s = nd_get_link(nd);
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
if (!IS_ERR(s))
|
|
|
|
kfree(s);
|
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_getattr(
|
2007-10-11 07:46:39 +00:00
|
|
|
struct vfsmount *mnt,
|
|
|
|
struct dentry *dentry,
|
|
|
|
struct kstat *stat)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2007-10-11 07:46:39 +00:00
|
|
|
struct inode *inode = dentry->d_inode;
|
|
|
|
struct xfs_inode *ip = XFS_I(inode);
|
|
|
|
struct xfs_mount *mp = ip->i_mount;
|
|
|
|
|
|
|
|
xfs_itrace_entry(ip);
|
|
|
|
|
|
|
|
if (XFS_FORCED_SHUTDOWN(mp))
|
|
|
|
return XFS_ERROR(EIO);
|
|
|
|
|
|
|
|
stat->size = XFS_ISIZE(ip);
|
|
|
|
stat->dev = inode->i_sb->s_dev;
|
|
|
|
stat->mode = ip->i_d.di_mode;
|
|
|
|
stat->nlink = ip->i_d.di_nlink;
|
|
|
|
stat->uid = ip->i_d.di_uid;
|
|
|
|
stat->gid = ip->i_d.di_gid;
|
|
|
|
stat->ino = ip->i_ino;
|
|
|
|
stat->atime = inode->i_atime;
|
2009-10-06 20:29:26 +00:00
|
|
|
stat->mtime = inode->i_mtime;
|
|
|
|
stat->ctime = inode->i_ctime;
|
2007-10-11 07:46:39 +00:00
|
|
|
stat->blocks =
|
|
|
|
XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks);
|
|
|
|
|
|
|
|
|
|
|
|
switch (inode->i_mode & S_IFMT) {
|
|
|
|
case S_IFBLK:
|
|
|
|
case S_IFCHR:
|
|
|
|
stat->blksize = BLKDEV_IOSIZE;
|
|
|
|
stat->rdev = MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
|
|
|
|
sysv_minor(ip->i_df.if_u2.if_rdev));
|
|
|
|
break;
|
|
|
|
default:
|
2007-11-23 05:29:42 +00:00
|
|
|
if (XFS_IS_REALTIME_INODE(ip)) {
|
2007-10-11 07:46:39 +00:00
|
|
|
/*
|
|
|
|
* If the file blocks are being allocated from a
|
|
|
|
* realtime volume, then return the inode's realtime
|
|
|
|
* extent size or the realtime volume's extent size.
|
|
|
|
*/
|
|
|
|
stat->blksize =
|
|
|
|
xfs_get_extsz_hint(ip) << mp->m_sb.sb_blocklog;
|
|
|
|
} else
|
|
|
|
stat->blksize = xfs_preferred_iosize(mp);
|
|
|
|
stat->rdev = 0;
|
|
|
|
break;
|
2006-09-28 01:01:22 +00:00
|
|
|
}
|
2007-10-11 07:46:39 +00:00
|
|
|
|
|
|
|
return 0;
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_setattr(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct dentry *dentry,
|
2008-07-18 07:13:28 +00:00
|
|
|
struct iattr *iattr)
|
2005-04-16 22:20:36 +00:00
|
|
|
{
|
2008-10-30 07:27:48 +00:00
|
|
|
return -xfs_setattr(XFS_I(dentry->d_inode), iattr, 0);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2008-04-10 02:21:46 +00:00
|
|
|
/*
|
|
|
|
* block_truncate_page can return an error, but we can't propagate it
|
|
|
|
* at all here. Leave a complaint + stack trace in the syslog because
|
|
|
|
* this could be bad. If it is bad, we need to propagate the error further.
|
|
|
|
*/
|
2005-04-16 22:20:36 +00:00
|
|
|
STATIC void
|
2006-03-14 03:00:51 +00:00
|
|
|
xfs_vn_truncate(
|
2005-04-16 22:20:36 +00:00
|
|
|
struct inode *inode)
|
|
|
|
{
|
2008-04-10 02:21:46 +00:00
|
|
|
int error;
|
|
|
|
error = block_truncate_page(inode->i_mapping, inode->i_size,
|
|
|
|
xfs_get_blocks);
|
|
|
|
WARN_ON(error);
|
2005-04-16 22:20:36 +00:00
|
|
|
}
|
|
|
|
|
2007-11-23 05:29:25 +00:00
|
|
|
STATIC long
|
|
|
|
xfs_vn_fallocate(
|
|
|
|
struct inode *inode,
|
|
|
|
int mode,
|
|
|
|
loff_t offset,
|
|
|
|
loff_t len)
|
|
|
|
{
|
|
|
|
long error;
|
|
|
|
loff_t new_size = 0;
|
|
|
|
xfs_flock64_t bf;
|
|
|
|
xfs_inode_t *ip = XFS_I(inode);
|
|
|
|
|
|
|
|
/* preallocation on directories not yet supported */
|
|
|
|
error = -ENODEV;
|
|
|
|
if (S_ISDIR(inode->i_mode))
|
|
|
|
goto out_error;
|
|
|
|
|
|
|
|
bf.l_whence = 0;
|
|
|
|
bf.l_start = offset;
|
|
|
|
bf.l_len = len;
|
|
|
|
|
|
|
|
xfs_ilock(ip, XFS_IOLOCK_EXCL);
|
2009-11-24 21:52:53 +00:00
|
|
|
error = -xfs_change_file_space(ip, XFS_IOC_RESVSP, &bf,
|
|
|
|
0, XFS_ATTR_NOLOCK);
|
2007-11-23 05:29:25 +00:00
|
|
|
if (!error && !(mode & FALLOC_FL_KEEP_SIZE) &&
|
|
|
|
offset + len > i_size_read(inode))
|
|
|
|
new_size = offset + len;
|
|
|
|
|
|
|
|
/* Change file size if needed */
|
|
|
|
if (new_size) {
|
2008-07-18 07:13:28 +00:00
|
|
|
struct iattr iattr;
|
2007-11-23 05:29:25 +00:00
|
|
|
|
2008-07-18 07:13:28 +00:00
|
|
|
iattr.ia_valid = ATTR_SIZE;
|
|
|
|
iattr.ia_size = new_size;
|
2009-11-24 21:52:53 +00:00
|
|
|
error = -xfs_setattr(ip, &iattr, XFS_ATTR_NOLOCK);
|
2007-11-23 05:29:25 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
xfs_iunlock(ip, XFS_IOLOCK_EXCL);
|
|
|
|
out_error:
|
|
|
|
return error;
|
|
|
|
}
|
2005-04-16 22:20:36 +00:00
|
|
|
|
2008-11-28 03:23:35 +00:00
|
|
|
#define XFS_FIEMAP_FLAGS (FIEMAP_FLAG_SYNC|FIEMAP_FLAG_XATTR)
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Call fiemap helper to fill in user data.
|
|
|
|
* Returns positive errors to xfs_getbmap.
|
|
|
|
*/
|
|
|
|
STATIC int
|
|
|
|
xfs_fiemap_format(
|
|
|
|
void **arg,
|
|
|
|
struct getbmapx *bmv,
|
|
|
|
int *full)
|
|
|
|
{
|
|
|
|
int error;
|
|
|
|
struct fiemap_extent_info *fieinfo = *arg;
|
|
|
|
u32 fiemap_flags = 0;
|
|
|
|
u64 logical, physical, length;
|
|
|
|
|
|
|
|
/* Do nothing for a hole */
|
|
|
|
if (bmv->bmv_block == -1LL)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
logical = BBTOB(bmv->bmv_offset);
|
|
|
|
physical = BBTOB(bmv->bmv_block);
|
|
|
|
length = BBTOB(bmv->bmv_length);
|
|
|
|
|
|
|
|
if (bmv->bmv_oflags & BMV_OF_PREALLOC)
|
|
|
|
fiemap_flags |= FIEMAP_EXTENT_UNWRITTEN;
|
|
|
|
else if (bmv->bmv_oflags & BMV_OF_DELALLOC) {
|
|
|
|
fiemap_flags |= FIEMAP_EXTENT_DELALLOC;
|
|
|
|
physical = 0; /* no block yet */
|
|
|
|
}
|
|
|
|
if (bmv->bmv_oflags & BMV_OF_LAST)
|
|
|
|
fiemap_flags |= FIEMAP_EXTENT_LAST;
|
|
|
|
|
|
|
|
error = fiemap_fill_next_extent(fieinfo, logical, physical,
|
|
|
|
length, fiemap_flags);
|
|
|
|
if (error > 0) {
|
|
|
|
error = 0;
|
|
|
|
*full = 1; /* user array now full */
|
|
|
|
}
|
|
|
|
|
|
|
|
return -error;
|
|
|
|
}
|
|
|
|
|
|
|
|
STATIC int
|
|
|
|
xfs_vn_fiemap(
|
|
|
|
struct inode *inode,
|
|
|
|
struct fiemap_extent_info *fieinfo,
|
|
|
|
u64 start,
|
|
|
|
u64 length)
|
|
|
|
{
|
|
|
|
xfs_inode_t *ip = XFS_I(inode);
|
|
|
|
struct getbmapx bm;
|
|
|
|
int error;
|
|
|
|
|
|
|
|
error = fiemap_check_flags(fieinfo, XFS_FIEMAP_FLAGS);
|
|
|
|
if (error)
|
|
|
|
return error;
|
|
|
|
|
|
|
|
/* Set up bmap header for xfs internal routine */
|
|
|
|
bm.bmv_offset = BTOBB(start);
|
|
|
|
/* Special case for whole file */
|
|
|
|
if (length == FIEMAP_MAX_OFFSET)
|
|
|
|
bm.bmv_length = -1LL;
|
|
|
|
else
|
|
|
|
bm.bmv_length = BTOBB(length);
|
|
|
|
|
2009-07-27 02:52:01 +00:00
|
|
|
/* We add one because in getbmap world count includes the header */
|
2010-04-29 05:13:56 +00:00
|
|
|
bm.bmv_count = !fieinfo->fi_extents_max ? MAXEXTNUM :
|
|
|
|
fieinfo->fi_extents_max + 1;
|
|
|
|
bm.bmv_count = min_t(__s32, bm.bmv_count,
|
|
|
|
(PAGE_SIZE * 16 / sizeof(struct getbmapx)));
|
2008-11-28 03:23:35 +00:00
|
|
|
bm.bmv_iflags = BMV_IF_PREALLOC;
|
|
|
|
if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR)
|
|
|
|
bm.bmv_iflags |= BMV_IF_ATTRFORK;
|
|
|
|
if (!(fieinfo->fi_flags & FIEMAP_FLAG_SYNC))
|
|
|
|
bm.bmv_iflags |= BMV_IF_DELALLOC;
|
|
|
|
|
|
|
|
error = xfs_getbmap(ip, &bm, xfs_fiemap_format, fieinfo);
|
|
|
|
if (error)
|
|
|
|
return -error;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2008-08-13 06:23:13 +00:00
|
|
|
static const struct inode_operations xfs_inode_operations = {
|
2009-08-28 19:29:03 +00:00
|
|
|
.check_acl = xfs_check_acl,
|
2006-03-14 03:00:51 +00:00
|
|
|
.truncate = xfs_vn_truncate,
|
|
|
|
.getattr = xfs_vn_getattr,
|
|
|
|
.setattr = xfs_vn_setattr,
|
2008-06-23 03:23:01 +00:00
|
|
|
.setxattr = generic_setxattr,
|
|
|
|
.getxattr = generic_getxattr,
|
|
|
|
.removexattr = generic_removexattr,
|
2006-03-14 03:00:51 +00:00
|
|
|
.listxattr = xfs_vn_listxattr,
|
2007-11-23 05:29:25 +00:00
|
|
|
.fallocate = xfs_vn_fallocate,
|
2008-11-28 03:23:35 +00:00
|
|
|
.fiemap = xfs_vn_fiemap,
|
2005-04-16 22:20:36 +00:00
|
|
|
};
|
|
|
|
|
2008-08-13 06:23:13 +00:00
|
|
|
static const struct inode_operations xfs_dir_inode_operations = {
|
2006-03-14 03:00:51 +00:00
|
|
|
.create = xfs_vn_create,
|
|
|
|
.lookup = xfs_vn_lookup,
|
|
|
|
.link = xfs_vn_link,
|
|
|
|
.unlink = xfs_vn_unlink,
|
|
|
|
.symlink = xfs_vn_symlink,
|
|
|
|
.mkdir = xfs_vn_mkdir,
|
2008-06-23 03:25:17 +00:00
|
|
|
/*
|
|
|
|
* Yes, XFS uses the same method for rmdir and unlink.
|
|
|
|
*
|
|
|
|
* There are some subtile differences deeper in the code,
|
|
|
|
* but we use S_ISDIR to check for those.
|
|
|
|
*/
|
|
|
|
.rmdir = xfs_vn_unlink,
|
2006-03-14 03:00:51 +00:00
|
|
|
.mknod = xfs_vn_mknod,
|
|
|
|
.rename = xfs_vn_rename,
|
2009-08-28 19:29:03 +00:00
|
|
|
.check_acl = xfs_check_acl,
|
2006-03-14 03:00:51 +00:00
|
|
|
.getattr = xfs_vn_getattr,
|
|
|
|
.setattr = xfs_vn_setattr,
|
2008-06-23 03:23:01 +00:00
|
|
|
.setxattr = generic_setxattr,
|
|
|
|
.getxattr = generic_getxattr,
|
|
|
|
.removexattr = generic_removexattr,
|
2006-03-14 03:00:51 +00:00
|
|
|
.listxattr = xfs_vn_listxattr,
|
2005-04-16 22:20:36 +00:00
|
|
|
};
|
|
|
|
|
2008-08-13 06:23:13 +00:00
|
|
|
static const struct inode_operations xfs_dir_ci_inode_operations = {
|
2008-05-21 06:58:22 +00:00
|
|
|
.create = xfs_vn_create,
|
|
|
|
.lookup = xfs_vn_ci_lookup,
|
|
|
|
.link = xfs_vn_link,
|
|
|
|
.unlink = xfs_vn_unlink,
|
|
|
|
.symlink = xfs_vn_symlink,
|
|
|
|
.mkdir = xfs_vn_mkdir,
|
2008-06-23 03:25:17 +00:00
|
|
|
/*
|
|
|
|
* Yes, XFS uses the same method for rmdir and unlink.
|
|
|
|
*
|
|
|
|
* There are some subtile differences deeper in the code,
|
|
|
|
* but we use S_ISDIR to check for those.
|
|
|
|
*/
|
|
|
|
.rmdir = xfs_vn_unlink,
|
2008-05-21 06:58:22 +00:00
|
|
|
.mknod = xfs_vn_mknod,
|
|
|
|
.rename = xfs_vn_rename,
|
2009-08-28 19:29:03 +00:00
|
|
|
.check_acl = xfs_check_acl,
|
2008-05-21 06:58:22 +00:00
|
|
|
.getattr = xfs_vn_getattr,
|
|
|
|
.setattr = xfs_vn_setattr,
|
2008-06-23 03:23:01 +00:00
|
|
|
.setxattr = generic_setxattr,
|
|
|
|
.getxattr = generic_getxattr,
|
|
|
|
.removexattr = generic_removexattr,
|
2008-05-21 06:58:22 +00:00
|
|
|
.listxattr = xfs_vn_listxattr,
|
|
|
|
};
|
|
|
|
|
2008-08-13 06:23:13 +00:00
|
|
|
static const struct inode_operations xfs_symlink_inode_operations = {
|
2005-04-16 22:20:36 +00:00
|
|
|
.readlink = generic_readlink,
|
2006-03-14 03:00:51 +00:00
|
|
|
.follow_link = xfs_vn_follow_link,
|
|
|
|
.put_link = xfs_vn_put_link,
|
2009-08-28 19:29:03 +00:00
|
|
|
.check_acl = xfs_check_acl,
|
2006-03-14 03:00:51 +00:00
|
|
|
.getattr = xfs_vn_getattr,
|
|
|
|
.setattr = xfs_vn_setattr,
|
2008-06-23 03:23:01 +00:00
|
|
|
.setxattr = generic_setxattr,
|
|
|
|
.getxattr = generic_getxattr,
|
|
|
|
.removexattr = generic_removexattr,
|
2006-03-14 03:00:51 +00:00
|
|
|
.listxattr = xfs_vn_listxattr,
|
2005-04-16 22:20:36 +00:00
|
|
|
};
|
2008-08-13 06:23:13 +00:00
|
|
|
|
|
|
|
STATIC void
|
|
|
|
xfs_diflags_to_iflags(
|
|
|
|
struct inode *inode,
|
|
|
|
struct xfs_inode *ip)
|
|
|
|
{
|
|
|
|
if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE)
|
|
|
|
inode->i_flags |= S_IMMUTABLE;
|
|
|
|
else
|
|
|
|
inode->i_flags &= ~S_IMMUTABLE;
|
|
|
|
if (ip->i_d.di_flags & XFS_DIFLAG_APPEND)
|
|
|
|
inode->i_flags |= S_APPEND;
|
|
|
|
else
|
|
|
|
inode->i_flags &= ~S_APPEND;
|
|
|
|
if (ip->i_d.di_flags & XFS_DIFLAG_SYNC)
|
|
|
|
inode->i_flags |= S_SYNC;
|
|
|
|
else
|
|
|
|
inode->i_flags &= ~S_SYNC;
|
|
|
|
if (ip->i_d.di_flags & XFS_DIFLAG_NOATIME)
|
|
|
|
inode->i_flags |= S_NOATIME;
|
|
|
|
else
|
|
|
|
inode->i_flags &= ~S_NOATIME;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Initialize the Linux inode, set up the operation vectors and
|
|
|
|
* unlock the inode.
|
|
|
|
*
|
|
|
|
* When reading existing inodes from disk this is called directly
|
|
|
|
* from xfs_iget, when creating a new inode it is called from
|
|
|
|
* xfs_ialloc after setting up the inode.
|
2008-10-30 06:36:14 +00:00
|
|
|
*
|
|
|
|
* We are always called with an uninitialised linux inode here.
|
|
|
|
* We need to initialise the necessary fields and take a reference
|
|
|
|
* on it.
|
2008-08-13 06:23:13 +00:00
|
|
|
*/
|
|
|
|
void
|
|
|
|
xfs_setup_inode(
|
|
|
|
struct xfs_inode *ip)
|
|
|
|
{
|
2008-10-30 06:36:14 +00:00
|
|
|
struct inode *inode = &ip->i_vnode;
|
|
|
|
|
|
|
|
inode->i_ino = ip->i_ino;
|
2009-12-17 13:25:01 +00:00
|
|
|
inode->i_state = I_NEW;
|
2008-10-30 06:36:14 +00:00
|
|
|
inode_add_to_lists(ip->i_mount->m_super, inode);
|
2008-08-13 06:23:13 +00:00
|
|
|
|
|
|
|
inode->i_mode = ip->i_d.di_mode;
|
|
|
|
inode->i_nlink = ip->i_d.di_nlink;
|
|
|
|
inode->i_uid = ip->i_d.di_uid;
|
|
|
|
inode->i_gid = ip->i_d.di_gid;
|
|
|
|
|
|
|
|
switch (inode->i_mode & S_IFMT) {
|
|
|
|
case S_IFBLK:
|
|
|
|
case S_IFCHR:
|
|
|
|
inode->i_rdev =
|
|
|
|
MKDEV(sysv_major(ip->i_df.if_u2.if_rdev) & 0x1ff,
|
|
|
|
sysv_minor(ip->i_df.if_u2.if_rdev));
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
inode->i_rdev = 0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
inode->i_generation = ip->i_d.di_gen;
|
|
|
|
i_size_write(inode, ip->i_d.di_size);
|
|
|
|
inode->i_atime.tv_sec = ip->i_d.di_atime.t_sec;
|
|
|
|
inode->i_atime.tv_nsec = ip->i_d.di_atime.t_nsec;
|
|
|
|
inode->i_mtime.tv_sec = ip->i_d.di_mtime.t_sec;
|
|
|
|
inode->i_mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
|
|
|
|
inode->i_ctime.tv_sec = ip->i_d.di_ctime.t_sec;
|
|
|
|
inode->i_ctime.tv_nsec = ip->i_d.di_ctime.t_nsec;
|
|
|
|
xfs_diflags_to_iflags(inode, ip);
|
|
|
|
|
|
|
|
switch (inode->i_mode & S_IFMT) {
|
|
|
|
case S_IFREG:
|
|
|
|
inode->i_op = &xfs_inode_operations;
|
|
|
|
inode->i_fop = &xfs_file_operations;
|
|
|
|
inode->i_mapping->a_ops = &xfs_address_space_operations;
|
|
|
|
break;
|
|
|
|
case S_IFDIR:
|
|
|
|
if (xfs_sb_version_hasasciici(&XFS_M(inode->i_sb)->m_sb))
|
|
|
|
inode->i_op = &xfs_dir_ci_inode_operations;
|
|
|
|
else
|
|
|
|
inode->i_op = &xfs_dir_inode_operations;
|
|
|
|
inode->i_fop = &xfs_dir_file_operations;
|
|
|
|
break;
|
|
|
|
case S_IFLNK:
|
|
|
|
inode->i_op = &xfs_symlink_inode_operations;
|
|
|
|
if (!(ip->i_df.if_flags & XFS_IFINLINE))
|
|
|
|
inode->i_mapping->a_ops = &xfs_address_space_operations;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
inode->i_op = &xfs_inode_operations;
|
|
|
|
init_special_inode(inode, inode->i_mode, inode->i_rdev);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
xfs_iflags_clear(ip, XFS_INEW);
|
|
|
|
barrier();
|
|
|
|
|
|
|
|
unlock_new_inode(inode);
|
|
|
|
}
|