/*
- * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "xfs.h"
+#include <linux/capability.h>
-#include "xfs_macros.h"
+#include "xfs.h"
+#include "xfs_fs.h"
#include "xfs_types.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
-#include "xfs_alloc_btree.h"
+#include "xfs_da_btree.h"
#include "xfs_bmap_btree.h"
+#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_alloc.h"
-#include "xfs_btree.h"
-#include "xfs_attr_sf.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
+#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
-#include "xfs_inode_item.h"
#include "xfs_inode.h"
+#include "xfs_alloc.h"
+#include "xfs_btree.h"
+#include "xfs_inode_item.h"
#include "xfs_bmap.h"
-#include "xfs_da_btree.h"
#include "xfs_attr.h"
#include "xfs_attr_leaf.h"
#include "xfs_error.h"
-#include "xfs_bit.h"
#include "xfs_quota.h"
-#include "xfs_rw.h"
#include "xfs_trans_space.h"
#include "xfs_acl.h"
+#include "xfs_rw.h"
/*
* xfs_attr.c
* Provide the external interfaces to manage attribute lists.
*/
+#define ATTR_SYSCOUNT 2
+STATIC struct attrnames posix_acl_access;
+STATIC struct attrnames posix_acl_default;
+STATIC struct attrnames *attr_system_names[ATTR_SYSCOUNT];
+
/*========================================================================
* Function prototypes for the kernel.
*========================================================================*/
/*
* Internal routines when attribute list is one block.
*/
+STATIC int xfs_attr_leaf_get(xfs_da_args_t *args);
STATIC int xfs_attr_leaf_addname(xfs_da_args_t *args);
STATIC int xfs_attr_leaf_removename(xfs_da_args_t *args);
STATIC int xfs_attr_leaf_list(xfs_attr_list_context_t *context);
/*
* Internal routines when attribute list is more than one block.
*/
+STATIC int xfs_attr_node_get(xfs_da_args_t *args);
STATIC int xfs_attr_node_addname(xfs_da_args_t *args);
STATIC int xfs_attr_node_removename(xfs_da_args_t *args);
STATIC int xfs_attr_node_list(xfs_attr_list_context_t *context);
/*
* Routines to manipulate out-of-line attribute values.
*/
-STATIC int xfs_attr_rmtval_get(xfs_da_args_t *args);
STATIC int xfs_attr_rmtval_set(xfs_da_args_t *args);
STATIC int xfs_attr_rmtval_remove(xfs_da_args_t *args);
#define ATTR_RMTVALUE_MAPSIZE 1 /* # of map entries at once */
-#define ATTR_RMTVALUE_TRANSBLKS 8 /* max # of blks in a transaction */
#if defined(XFS_ATTR_TRACE)
ktrace_t *xfs_attr_trace_buf;
*========================================================================*/
int
-xfs_attr_fetch(xfs_inode_t *ip, char *name, int namelen,
+xfs_attr_fetch(xfs_inode_t *ip, const char *name, int namelen,
char *value, int *valuelenp, int flags, struct cred *cred)
{
xfs_da_args_t args;
int error;
- if (XFS_FORCED_SHUTDOWN(ip->i_mount))
- return(EIO);
-
if ((XFS_IFORK_Q(ip) == 0) ||
(ip->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
ip->i_d.di_anextents == 0))
return(ENOATTR);
- if (!(flags & ATTR_KERNACCESS)) {
- xfs_ilock(ip, XFS_ILOCK_SHARED);
-
- if (!(flags & ATTR_SECURE) &&
- ((error = xfs_iaccess(ip, S_IRUSR, cred)))) {
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
- return(XFS_ERROR(error));
- }
- }
-
/*
* Fill in the arg structure for this request.
*/
error = xfs_attr_node_get(&args);
}
- if (!(flags & ATTR_KERNACCESS))
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
-
/*
* Return the number of bytes in the value to the caller.
*/
}
int
-xfs_attr_get(bhv_desc_t *bdp, char *name, char *value, int *valuelenp,
+xfs_attr_get(bhv_desc_t *bdp, const char *name, char *value, int *valuelenp,
int flags, struct cred *cred)
{
xfs_inode_t *ip = XFS_BHVTOI(bdp);
- int namelen;
+ int error, namelen;
XFS_STATS_INC(xs_attr_get);
if (namelen >= MAXNAMELEN)
return(EFAULT); /* match IRIX behaviour */
- return xfs_attr_fetch(ip, name, namelen, value, valuelenp, flags, cred);
+ if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+ return(EIO);
+
+ xfs_ilock(ip, XFS_ILOCK_SHARED);
+ error = xfs_attr_fetch(ip, name, namelen, value, valuelenp, flags, cred);
+ xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ return(error);
}
-/*ARGSUSED*/
-int /* error */
-xfs_attr_set(bhv_desc_t *bdp, char *name, char *value, int valuelen, int flags,
- struct cred *cred)
+int
+xfs_attr_set_int(xfs_inode_t *dp, const char *name, int namelen,
+ char *value, int valuelen, int flags)
{
xfs_da_args_t args;
- xfs_inode_t *dp;
xfs_fsblock_t firstblock;
xfs_bmap_free_t flist;
int error, err2, committed;
int local, size;
uint nblks;
- xfs_mount_t *mp;
+ xfs_mount_t *mp = dp->i_mount;
int rsvd = (flags & ATTR_ROOT) != 0;
- int namelen;
-
- namelen = strlen(name);
- if (namelen >= MAXNAMELEN)
- return EFAULT; /* match IRIX behaviour */
-
- XFS_STATS_INC(xs_attr_set);
-
- dp = XFS_BHVTOI(bdp);
- mp = dp->i_mount;
- if (XFS_FORCED_SHUTDOWN(mp))
- return (EIO);
-
- xfs_ilock(dp, XFS_ILOCK_SHARED);
- if (!(flags & ATTR_SECURE) &&
- (error = xfs_iaccess(dp, S_IWUSR, cred))) {
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
- return(XFS_ERROR(error));
- }
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
/*
* Attach the dquots to the inode.
* (inode must not be locked when we call this routine)
*/
if (XFS_IFORK_Q(dp) == 0) {
- error = xfs_bmap_add_attrfork(dp, rsvd);
- if (error)
+ int sf_size = sizeof(xfs_attr_sf_hdr_t) +
+ XFS_ATTR_SF_ENTSIZE_BYNAME(namelen, valuelen);
+
+ if ((error = xfs_bmap_add_attrfork(dp, sf_size, rsvd)))
return(error);
}
args.firstblock = &firstblock;
args.flist = &flist;
args.whichfork = XFS_ATTR_FORK;
+ args.addname = 1;
args.oknoent = 1;
- /* Determine space new attribute will use, and if it will be inline
- * or out of line.
+ /*
+ * Determine space new attribute will use, and if it would be
+ * "local" or "remote" (note: local != inline).
*/
- size = xfs_attr_leaf_newentsize(&args, mp->m_sb.sb_blocksize, &local);
+ size = xfs_attr_leaf_newentsize(namelen, valuelen,
+ mp->m_sb.sb_blocksize, &local);
nblks = XFS_DAENTER_SPACE_RES(mp, XFS_ATTR_FORK);
if (local) {
xfs_trans_ihold(args.trans, dp);
/*
- * If the attribute list is non-existant or a shortform list,
+ * If the attribute list is non-existent or a shortform list,
* upgrade it to a single-leaf-block attribute list.
*/
if ((dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) ||
* Build initial attribute list (if required).
*/
if (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS)
- (void)xfs_attr_shortform_create(&args);
+ xfs_attr_shortform_create(&args);
/*
* Try to add the attr to the attribute list in
return(error);
}
-/*
- * Generic handler routine to remove a name from an attribute list.
- * Transitions attribute list from Btree to shortform as necessary.
- */
-/*ARGSUSED*/
-int /* error */
-xfs_attr_remove(bhv_desc_t *bdp, char *name, int flags, struct cred *cred)
+int
+xfs_attr_set(bhv_desc_t *bdp, const char *name, char *value, int valuelen, int flags,
+ struct cred *cred)
{
- xfs_da_args_t args;
- xfs_inode_t *dp;
- xfs_fsblock_t firstblock;
- xfs_bmap_free_t flist;
- int error;
- xfs_mount_t *mp;
- int namelen;
+ xfs_inode_t *dp;
+ int namelen;
- ASSERT(MAXNAMELEN-1<=0xff); /* length is stored in uint8 */
namelen = strlen(name);
- if (namelen>=MAXNAMELEN)
- return EFAULT; /* match irix behaviour */
+ if (namelen >= MAXNAMELEN)
+ return EFAULT; /* match IRIX behaviour */
- XFS_STATS_INC(xs_attr_remove);
+ XFS_STATS_INC(xs_attr_set);
dp = XFS_BHVTOI(bdp);
- mp = dp->i_mount;
- if (XFS_FORCED_SHUTDOWN(mp))
+ if (XFS_FORCED_SHUTDOWN(dp->i_mount))
return (EIO);
- xfs_ilock(dp, XFS_ILOCK_SHARED);
- if (!(flags & ATTR_SECURE) &&
- (error = xfs_iaccess(dp, S_IWUSR, cred))) {
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
- return(XFS_ERROR(error));
- } else if (XFS_IFORK_Q(dp) == 0 ||
- (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
- dp->i_d.di_anextents == 0)) {
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
- return(XFS_ERROR(ENOATTR));
- }
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
+ return xfs_attr_set_int(dp, name, namelen, value, valuelen, flags);
+}
+
+/*
+ * Generic handler routine to remove a name from an attribute list.
+ * Transitions attribute list from Btree to shortform as necessary.
+ */
+int
+xfs_attr_remove_int(xfs_inode_t *dp, const char *name, int namelen, int flags)
+{
+ xfs_da_args_t args;
+ xfs_fsblock_t firstblock;
+ xfs_bmap_free_t flist;
+ int error;
+ xfs_mount_t *mp = dp->i_mount;
/*
* Fill in the arg structure for this request.
XFS_ATTRRM_LOG_COUNT))) {
xfs_trans_cancel(args.trans, 0);
return(error);
-
}
xfs_ilock(dp, XFS_ILOCK_EXCL);
return(error);
}
+int
+xfs_attr_remove(bhv_desc_t *bdp, const char *name, int flags, struct cred *cred)
+{
+ xfs_inode_t *dp;
+ int namelen;
+
+ namelen = strlen(name);
+ if (namelen >= MAXNAMELEN)
+ return EFAULT; /* match IRIX behaviour */
+
+ XFS_STATS_INC(xs_attr_remove);
+
+ dp = XFS_BHVTOI(bdp);
+ if (XFS_FORCED_SHUTDOWN(dp->i_mount))
+ return (EIO);
+
+ xfs_ilock(dp, XFS_ILOCK_SHARED);
+ if (XFS_IFORK_Q(dp) == 0 ||
+ (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
+ dp->i_d.di_anextents == 0)) {
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
+ return(XFS_ERROR(ENOATTR));
+ }
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
+
+ return xfs_attr_remove_int(dp, name, namelen, flags);
+}
+
+int /* error */
+xfs_attr_list_int(xfs_attr_list_context_t *context)
+{
+ int error;
+ xfs_inode_t *dp = context->dp;
+
+ /*
+ * Decide on what work routines to call based on the inode size.
+ */
+ if (XFS_IFORK_Q(dp) == 0 ||
+ (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
+ dp->i_d.di_anextents == 0)) {
+ error = 0;
+ } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
+ error = xfs_attr_shortform_list(context);
+ } else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
+ error = xfs_attr_leaf_list(context);
+ } else {
+ error = xfs_attr_node_list(context);
+ }
+ return error;
+}
+
+#define ATTR_ENTBASESIZE /* minimum bytes used by an attr */ \
+ (((struct attrlist_ent *) 0)->a_name - (char *) 0)
+#define ATTR_ENTSIZE(namelen) /* actual bytes used by an attr */ \
+ ((ATTR_ENTBASESIZE + (namelen) + 1 + sizeof(u_int32_t)-1) \
+ & ~(sizeof(u_int32_t)-1))
+
+/*
+ * Format an attribute and copy it out to the user's buffer.
+ * Take care to check values and protect against them changing later,
+ * we may be reading them directly out of a user buffer.
+ */
+/*ARGSUSED*/
+STATIC int
+xfs_attr_put_listent(xfs_attr_list_context_t *context, attrnames_t *namesp,
+ char *name, int namelen,
+ int valuelen, char *value)
+{
+ attrlist_ent_t *aep;
+ int arraytop;
+
+ ASSERT(!(context->flags & ATTR_KERNOVAL));
+ ASSERT(context->count >= 0);
+ ASSERT(context->count < (ATTR_MAX_VALUELEN/8));
+ ASSERT(context->firstu >= sizeof(*context->alist));
+ ASSERT(context->firstu <= context->bufsize);
+
+ arraytop = sizeof(*context->alist) +
+ context->count * sizeof(context->alist->al_offset[0]);
+ context->firstu -= ATTR_ENTSIZE(namelen);
+ if (context->firstu < arraytop) {
+ xfs_attr_trace_l_c("buffer full", context);
+ context->alist->al_more = 1;
+ context->seen_enough = 1;
+ return 1;
+ }
+
+ aep = (attrlist_ent_t *)&(((char *)context->alist)[ context->firstu ]);
+ aep->a_valuelen = valuelen;
+ memcpy(aep->a_name, name, namelen);
+ aep->a_name[ namelen ] = 0;
+ context->alist->al_offset[ context->count++ ] = context->firstu;
+ context->alist->al_count = context->count;
+ xfs_attr_trace_l_c("add", context);
+ return 0;
+}
+
+STATIC int
+xfs_attr_kern_list(xfs_attr_list_context_t *context, attrnames_t *namesp,
+ char *name, int namelen,
+ int valuelen, char *value)
+{
+ char *offset;
+ int arraytop;
+
+ ASSERT(context->count >= 0);
+
+ arraytop = context->count + namesp->attr_namelen + namelen + 1;
+ if (arraytop > context->firstu) {
+ context->count = -1; /* insufficient space */
+ return 1;
+ }
+ offset = (char *)context->alist + context->count;
+ strncpy(offset, namesp->attr_name, namesp->attr_namelen);
+ offset += namesp->attr_namelen;
+ strncpy(offset, name, namelen); /* real name */
+ offset += namelen;
+ *offset = '\0';
+ context->count += namesp->attr_namelen + namelen + 1;
+ return 0;
+}
+
+/*ARGSUSED*/
+STATIC int
+xfs_attr_kern_list_sizes(xfs_attr_list_context_t *context, attrnames_t *namesp,
+ char *name, int namelen,
+ int valuelen, char *value)
+{
+ context->count += namesp->attr_namelen + namelen + 1;
+ return 0;
+}
+
/*
* Generate a list of extended attribute names and optionally
* also value lengths. Positive return value follows the XFS
return(XFS_ERROR(EINVAL));
if ((cursor->initted == 0) &&
(cursor->hashval || cursor->blkno || cursor->offset))
- return(XFS_ERROR(EINVAL));
+ return XFS_ERROR(EINVAL);
/*
* Check for a properly aligned buffer.
*/
if (((long)buffer) & (sizeof(int)-1))
- return(XFS_ERROR(EFAULT));
+ return XFS_ERROR(EFAULT);
if (flags & ATTR_KERNOVAL)
bufsize = 0;
context.dupcnt = 0;
context.resynch = 1;
context.flags = flags;
- if (!(flags & ATTR_KERNAMELS)) {
+ context.seen_enough = 0;
+ context.alist = (attrlist_t *)buffer;
+ context.put_value = 0;
+
+ if (flags & ATTR_KERNAMELS) {
+ context.bufsize = bufsize;
+ context.firstu = context.bufsize;
+ if (flags & ATTR_KERNOVAL)
+ context.put_listent = xfs_attr_kern_list_sizes;
+ else
+ context.put_listent = xfs_attr_kern_list;
+ } else {
context.bufsize = (bufsize & ~(sizeof(int)-1)); /* align */
context.firstu = context.bufsize;
- context.alist = (attrlist_t *)buffer;
context.alist->al_count = 0;
context.alist->al_more = 0;
context.alist->al_offset[0] = context.bufsize;
- }
- else {
- context.bufsize = bufsize;
- context.firstu = context.bufsize;
- context.alist = (attrlist_t *)buffer;
+ context.put_listent = xfs_attr_put_listent;
}
if (XFS_FORCED_SHUTDOWN(dp->i_mount))
- return (EIO);
+ return EIO;
xfs_ilock(dp, XFS_ILOCK_SHARED);
- if (!(flags & ATTR_SECURE) &&
- (error = xfs_iaccess(dp, S_IRUSR, cred))) {
- xfs_iunlock(dp, XFS_ILOCK_SHARED);
- return(XFS_ERROR(error));
- }
-
- /*
- * Decide on what work routines to call based on the inode size.
- */
xfs_attr_trace_l_c("syscall start", &context);
- if (XFS_IFORK_Q(dp) == 0 ||
- (dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
- dp->i_d.di_anextents == 0)) {
- error = 0;
- } else if (dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) {
- error = xfs_attr_shortform_list(&context);
- } else if (xfs_bmap_one_block(dp, XFS_ATTR_FORK)) {
- error = xfs_attr_leaf_list(&context);
- } else {
- error = xfs_attr_node_list(&context);
- }
+
+ error = xfs_attr_list_int(&context);
+
xfs_iunlock(dp, XFS_ILOCK_SHARED);
xfs_attr_trace_l_c("syscall end", &context);
- if (!(context.flags & (ATTR_KERNOVAL|ATTR_KERNAMELS))) {
- ASSERT(error >= 0);
- }
- else { /* must return negated buffer size or the error */
+ if (context.flags & (ATTR_KERNOVAL|ATTR_KERNAMELS)) {
+ /* must return negated buffer size or the error */
if (context.count < 0)
error = XFS_ERROR(ERANGE);
else
error = -context.count;
- }
+ } else
+ ASSERT(error >= 0);
- return(error);
+ return error;
}
int /* error */
mp = dp->i_mount;
ASSERT(! XFS_NOT_DQATTACHED(mp, dp));
- /* XXXsup - why on earth are we taking ILOCK_EXCL here??? */
- xfs_ilock(dp, XFS_ILOCK_EXCL);
+ xfs_ilock(dp, XFS_ILOCK_SHARED);
if ((XFS_IFORK_Q(dp) == 0) ||
(dp->i_d.di_aformat == XFS_DINODE_FMT_LOCAL) ||
(dp->i_d.di_aformat == XFS_DINODE_FMT_EXTENTS &&
dp->i_d.di_anextents == 0)) {
- xfs_iunlock(dp, XFS_ILOCK_EXCL);
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
return(0);
}
- xfs_iunlock(dp, XFS_ILOCK_EXCL);
+ xfs_iunlock(dp, XFS_ILOCK_SHARED);
/*
* Start our first transaction of the day.
STATIC int
xfs_attr_shortform_addname(xfs_da_args_t *args)
{
- int newsize, retval;
+ int newsize, forkoff, retval;
retval = xfs_attr_shortform_lookup(args);
if ((args->flags & ATTR_REPLACE) && (retval == ENOATTR)) {
ASSERT(retval == 0);
}
+ if (args->namelen >= XFS_ATTR_SF_ENTSIZE_MAX ||
+ args->valuelen >= XFS_ATTR_SF_ENTSIZE_MAX)
+ return(XFS_ERROR(ENOSPC));
+
newsize = XFS_ATTR_SF_TOTSIZE(args->dp);
newsize += XFS_ATTR_SF_ENTSIZE_BYNAME(args->namelen, args->valuelen);
- if ((newsize <= XFS_IFORK_ASIZE(args->dp)) &&
- (args->namelen < XFS_ATTR_SF_ENTSIZE_MAX) &&
- (args->valuelen < XFS_ATTR_SF_ENTSIZE_MAX)) {
- retval = xfs_attr_shortform_add(args);
- ASSERT(retval == 0);
- } else {
+
+ forkoff = xfs_attr_shortform_bytesfit(args->dp, newsize);
+ if (!forkoff)
return(XFS_ERROR(ENOSPC));
- }
+
+ xfs_attr_shortform_add(args, forkoff);
return(0);
}
{
xfs_inode_t *dp;
xfs_dabuf_t *bp;
- int retval, error, committed;
+ int retval, error, committed, forkoff;
/*
* Read the (only) block in the attribute list in.
/*
* If the result is small enough, shrink it all into the inode.
*/
- if (xfs_attr_shortform_allfit(bp, dp)) {
+ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {
XFS_BMAP_INIT(args->flist, args->firstblock);
- error = xfs_attr_leaf_to_shortform(bp, args);
+ error = xfs_attr_leaf_to_shortform(bp, args, forkoff);
/* bp is gone due to xfs_da_shrink_inode */
if (!error) {
error = xfs_bmap_finish(&args->trans,
{
xfs_inode_t *dp;
xfs_dabuf_t *bp;
- int committed;
- int error;
+ int error, committed, forkoff;
/*
* Remove the attribute.
/*
* If the result is small enough, shrink it all into the inode.
*/
- if (xfs_attr_shortform_allfit(bp, dp)) {
+ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {
XFS_BMAP_INIT(args->flist, args->firstblock);
- error = xfs_attr_leaf_to_shortform(bp, args);
+ error = xfs_attr_leaf_to_shortform(bp, args, forkoff);
/* bp is gone due to xfs_da_shrink_inode */
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
* This leaf block cannot have a "remote" value, we only call this routine
* if bmap_one_block() says there is only one block (ie: no remote blks).
*/
-int
+STATIC int
xfs_attr_leaf_get(xfs_da_args_t *args)
{
xfs_dabuf_t *bp;
context->cursor->blkno = 0;
error = xfs_da_read_buf(NULL, context->dp, 0, -1, &bp, XFS_ATTR_FORK);
if (error)
- return(error);
+ return XFS_ERROR(error);
ASSERT(bp != NULL);
leaf = bp->data;
- if (unlikely(INT_GET(leaf->hdr.info.magic, ARCH_CONVERT)
- != XFS_ATTR_LEAF_MAGIC)) {
+ if (unlikely(be16_to_cpu(leaf->hdr.info.magic) != XFS_ATTR_LEAF_MAGIC)) {
XFS_CORRUPTION_ERROR("xfs_attr_leaf_list", XFS_ERRLEVEL_LOW,
context->dp->i_mount, leaf);
xfs_da_brelse(NULL, bp);
- return(XFS_ERROR(EFSCORRUPTED));
+ return XFS_ERROR(EFSCORRUPTED);
}
- (void)xfs_attr_leaf_list_int(bp, context);
+ error = xfs_attr_leaf_list_int(bp, context);
xfs_da_brelse(NULL, bp);
- return(0);
+ return XFS_ERROR(error);
}
xfs_da_state_blk_t *blk;
xfs_inode_t *dp;
xfs_dabuf_t *bp;
- int retval, error, committed;
+ int retval, error, committed, forkoff;
/*
* Tie a string around our finger to remind us where we are.
XFS_ATTR_FORK);
if (error)
goto out;
- ASSERT(INT_GET(((xfs_attr_leafblock_t *)
- bp->data)->hdr.info.magic, ARCH_CONVERT)
+ ASSERT(be16_to_cpu(((xfs_attr_leafblock_t *)
+ bp->data)->hdr.info.magic)
== XFS_ATTR_LEAF_MAGIC);
- if (xfs_attr_shortform_allfit(bp, dp)) {
+ if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {
XFS_BMAP_INIT(args->flist, args->firstblock);
- error = xfs_attr_leaf_to_shortform(bp, args);
+ error = xfs_attr_leaf_to_shortform(bp, args, forkoff);
/* bp is gone due to xfs_da_shrink_inode */
if (!error) {
error = xfs_bmap_finish(&args->trans,
* Fill in the disk block numbers in the state structure for the buffers
* that are attached to the state structure.
* This is done so that we can quickly reattach ourselves to those buffers
- * after some set of transaction commit's has released these buffers.
+ * after some set of transaction commits have released these buffers.
*/
STATIC int
xfs_attr_fillstate(xfs_da_state_t *state)
/*
* Reattach the buffers to the state structure based on the disk block
* numbers stored in the state structure.
- * This is done after some set of transaction commit's has released those
+ * This is done after some set of transaction commits have released those
* buffers from our grip.
*/
STATIC int
* block, ie: both true Btree attr lists and for single-leaf-blocks with
* "remote" values taking up more blocks.
*/
-int
+STATIC int
xfs_attr_node_get(xfs_da_args_t *args)
{
xfs_da_state_t *state;
return(error);
if (bp) {
node = bp->data;
- switch (INT_GET(node->hdr.info.magic, ARCH_CONVERT)) {
+ switch (be16_to_cpu(node->hdr.info.magic)) {
case XFS_DA_NODE_MAGIC:
xfs_attr_trace_l_cn("wrong blk", context, node);
xfs_da_brelse(NULL, bp);
break;
case XFS_ATTR_LEAF_MAGIC:
leaf = bp->data;
- if (cursor->hashval >
- INT_GET(leaf->entries[
- INT_GET(leaf->hdr.count,
- ARCH_CONVERT)-1].hashval,
- ARCH_CONVERT)) {
+ if (cursor->hashval > be32_to_cpu(leaf->entries[
+ be16_to_cpu(leaf->hdr.count)-1].hashval)) {
xfs_attr_trace_l_cl("wrong blk",
context, leaf);
xfs_da_brelse(NULL, bp);
bp = NULL;
} else if (cursor->hashval <=
- INT_GET(leaf->entries[0].hashval,
- ARCH_CONVERT)) {
+ be32_to_cpu(leaf->entries[0].hashval)) {
xfs_attr_trace_l_cl("maybe wrong blk",
context, leaf);
xfs_da_brelse(NULL, bp);
return(XFS_ERROR(EFSCORRUPTED));
}
node = bp->data;
- if (INT_GET(node->hdr.info.magic, ARCH_CONVERT)
+ if (be16_to_cpu(node->hdr.info.magic)
== XFS_ATTR_LEAF_MAGIC)
break;
- if (unlikely(INT_GET(node->hdr.info.magic, ARCH_CONVERT)
+ if (unlikely(be16_to_cpu(node->hdr.info.magic)
!= XFS_DA_NODE_MAGIC)) {
XFS_CORRUPTION_ERROR("xfs_attr_node_list(3)",
XFS_ERRLEVEL_LOW,
return(XFS_ERROR(EFSCORRUPTED));
}
btree = node->btree;
- for (i = 0;
- i < INT_GET(node->hdr.count, ARCH_CONVERT);
+ for (i = 0; i < be16_to_cpu(node->hdr.count);
btree++, i++) {
if (cursor->hashval
- <= INT_GET(btree->hashval,
- ARCH_CONVERT)) {
- cursor->blkno = INT_GET(btree->before, ARCH_CONVERT);
+ <= be32_to_cpu(btree->hashval)) {
+ cursor->blkno = be32_to_cpu(btree->before);
xfs_attr_trace_l_cb("descending",
context, btree);
break;
}
}
- if (i == INT_GET(node->hdr.count, ARCH_CONVERT)) {
+ if (i == be16_to_cpu(node->hdr.count)) {
xfs_da_brelse(NULL, bp);
return(0);
}
*/
for (;;) {
leaf = bp->data;
- if (unlikely(INT_GET(leaf->hdr.info.magic, ARCH_CONVERT)
+ if (unlikely(be16_to_cpu(leaf->hdr.info.magic)
!= XFS_ATTR_LEAF_MAGIC)) {
XFS_CORRUPTION_ERROR("xfs_attr_node_list(4)",
XFS_ERRLEVEL_LOW,
return(XFS_ERROR(EFSCORRUPTED));
}
error = xfs_attr_leaf_list_int(bp, context);
- if (error || (INT_ISZERO(leaf->hdr.info.forw, ARCH_CONVERT)))
- break; /* not really an error, buffer full or EOF */
- cursor->blkno = INT_GET(leaf->hdr.info.forw, ARCH_CONVERT);
+ if (error) {
+ xfs_da_brelse(NULL, bp);
+ return error;
+ }
+ if (context->seen_enough || leaf->hdr.info.forw == 0)
+ break;
+ cursor->blkno = be32_to_cpu(leaf->hdr.info.forw);
xfs_da_brelse(NULL, bp);
error = xfs_da_read_buf(NULL, context->dp, cursor->blkno, -1,
&bp, XFS_ATTR_FORK);
* Read the value associated with an attribute from the out-of-line buffer
* that we stored it in.
*/
-STATIC int
+int
xfs_attr_rmtval_get(xfs_da_args_t *args)
{
xfs_bmbt_irec_t map[ATTR_RMTVALUE_MAPSIZE];
error = xfs_bmapi(args->trans, args->dp, (xfs_fileoff_t)lblkno,
args->rmtblkcnt,
XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
- NULL, 0, map, &nmap, NULL);
+ NULL, 0, map, &nmap, NULL, NULL);
if (error)
return(error);
ASSERT(nmap >= 1);
XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA |
XFS_BMAPI_WRITE,
args->firstblock, args->total, &map, &nmap,
- args->flist);
+ args->flist, NULL);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
*args->firstblock, &committed);
error = xfs_bmapi(NULL, dp, (xfs_fileoff_t)lblkno,
args->rmtblkcnt,
XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
- args->firstblock, 0, &map, &nmap, NULL);
+ args->firstblock, 0, &map, &nmap,
+ NULL, NULL);
if (error) {
return(error);
}
args->rmtblkcnt,
XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
args->firstblock, 0, &map, &nmap,
- args->flist);
+ args->flist, NULL);
if (error) {
return(error);
}
XFS_BMAP_INIT(args->flist, args->firstblock);
error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
- 1, args->firstblock, args->flist, &done);
+ 1, args->firstblock, args->flist,
+ NULL, &done);
if (!error) {
error = xfs_bmap_finish(&args->trans, args->flist,
*args->firstblock, &committed);
: 0,
(__psunsigned_t)context->dupcnt,
(__psunsigned_t)context->flags,
- (__psunsigned_t)INT_GET(node->hdr.count, ARCH_CONVERT),
- (__psunsigned_t)INT_GET(node->btree[0].hashval, ARCH_CONVERT),
- (__psunsigned_t)INT_GET(node->btree[INT_GET(node->hdr.count, ARCH_CONVERT)-1].hashval, ARCH_CONVERT));
+ (__psunsigned_t)be16_to_cpu(node->hdr.count),
+ (__psunsigned_t)be32_to_cpu(node->btree[0].hashval),
+ (__psunsigned_t)be32_to_cpu(node->btree[
+ be16_to_cpu(node->hdr.count)-1].hashval));
}
/*
: 0,
(__psunsigned_t)context->dupcnt,
(__psunsigned_t)context->flags,
- (__psunsigned_t)INT_GET(btree->hashval, ARCH_CONVERT),
- (__psunsigned_t)INT_GET(btree->before, ARCH_CONVERT),
+ (__psunsigned_t)be32_to_cpu(btree->hashval),
+ (__psunsigned_t)be32_to_cpu(btree->before),
(__psunsigned_t)NULL);
}
: 0,
(__psunsigned_t)context->dupcnt,
(__psunsigned_t)context->flags,
- (__psunsigned_t)INT_GET(leaf->hdr.count, ARCH_CONVERT),
- (__psunsigned_t)INT_GET(leaf->entries[0].hashval, ARCH_CONVERT),
- (__psunsigned_t)INT_GET(leaf->entries[INT_GET(leaf->hdr.count, ARCH_CONVERT)-1].hashval, ARCH_CONVERT));
+ (__psunsigned_t)be16_to_cpu(leaf->hdr.count),
+ (__psunsigned_t)be32_to_cpu(leaf->entries[0].hashval),
+ (__psunsigned_t)be32_to_cpu(leaf->entries[
+ be16_to_cpu(leaf->hdr.count)-1].hashval));
}
/*
STATIC int
posix_acl_access_set(
- vnode_t *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
return xfs_acl_vset(vp, data, size, _ACL_TYPE_ACCESS);
}
STATIC int
posix_acl_access_remove(
- struct vnode *vp, char *name, int xflags)
+ bhv_vnode_t *vp, char *name, int xflags)
{
return xfs_acl_vremove(vp, _ACL_TYPE_ACCESS);
}
STATIC int
posix_acl_access_get(
- vnode_t *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
return xfs_acl_vget(vp, data, size, _ACL_TYPE_ACCESS);
}
STATIC int
posix_acl_access_exists(
- vnode_t *vp)
+ bhv_vnode_t *vp)
{
return xfs_acl_vhasacl_access(vp);
}
STATIC int
posix_acl_default_set(
- vnode_t *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
return xfs_acl_vset(vp, data, size, _ACL_TYPE_DEFAULT);
}
STATIC int
posix_acl_default_get(
- vnode_t *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
return xfs_acl_vget(vp, data, size, _ACL_TYPE_DEFAULT);
}
STATIC int
posix_acl_default_remove(
- struct vnode *vp, char *name, int xflags)
+ bhv_vnode_t *vp, char *name, int xflags)
{
return xfs_acl_vremove(vp, _ACL_TYPE_DEFAULT);
}
STATIC int
posix_acl_default_exists(
- vnode_t *vp)
+ bhv_vnode_t *vp)
{
return xfs_acl_vhasacl_default(vp);
}
-struct attrnames posix_acl_access = {
+STATIC struct attrnames posix_acl_access = {
.attr_name = "posix_acl_access",
.attr_namelen = sizeof("posix_acl_access") - 1,
.attr_get = posix_acl_access_get,
.attr_exists = posix_acl_access_exists,
};
-struct attrnames posix_acl_default = {
+STATIC struct attrnames posix_acl_default = {
.attr_name = "posix_acl_default",
.attr_namelen = sizeof("posix_acl_default") - 1,
.attr_get = posix_acl_default_get,
.attr_exists = posix_acl_default_exists,
};
-struct attrnames *attr_system_names[] =
+STATIC struct attrnames *attr_system_names[] =
{ &posix_acl_access, &posix_acl_default };
STATIC int
attr_generic_set(
- struct vnode *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
- int error;
-
- VOP_ATTR_SET(vp, name, data, size, xflags, NULL, error);
- return -error;
+ return -bhv_vop_attr_set(vp, name, data, size, xflags, NULL);
}
STATIC int
attr_generic_get(
- struct vnode *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
int error, asize = size;
- VOP_ATTR_GET(vp, name, data, &asize, xflags, NULL, error);
+ error = bhv_vop_attr_get(vp, name, data, &asize, xflags, NULL);
if (!error)
return asize;
return -error;
STATIC int
attr_generic_remove(
- struct vnode *vp, char *name, int xflags)
+ bhv_vnode_t *vp, char *name, int xflags)
{
- int error;
-
- VOP_ATTR_REMOVE(vp, name, xflags, NULL, error);
- return -error;
+ return -bhv_vop_attr_remove(vp, name, xflags, NULL);
}
STATIC int
STATIC int
attr_system_list(
- struct vnode *vp,
+ bhv_vnode_t *vp,
void *data,
size_t size,
ssize_t *result)
int
attr_generic_list(
- struct vnode *vp, void *data, size_t size, int xflags, ssize_t *result)
+ bhv_vnode_t *vp, void *data, size_t size, int xflags, ssize_t *result)
{
attrlist_cursor_kern_t cursor = { 0 };
int error;
- VOP_ATTR_LIST(vp, data, size, xflags, &cursor, NULL, error);
+ error = bhv_vop_attr_list(vp, data, size, xflags, &cursor, NULL);
if (error > 0)
return -error;
*result = -error;
*/
STATIC int
attr_user_capable(
- struct vnode *vp,
+ bhv_vnode_t *vp,
cred_t *cred)
{
- struct inode *inode = LINVFS_GET_IP(vp);
+ struct inode *inode = vn_to_inode(vp);
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
return -EPERM;
STATIC int
attr_trusted_capable(
- struct vnode *vp,
+ bhv_vnode_t *vp,
cred_t *cred)
{
- struct inode *inode = LINVFS_GET_IP(vp);
+ struct inode *inode = vn_to_inode(vp);
if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
return -EPERM;
STATIC int
attr_secure_capable(
- struct vnode *vp,
+ bhv_vnode_t *vp,
cred_t *cred)
{
return -ENOSECURITY;
STATIC int
attr_system_set(
- struct vnode *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
attrnames_t *namesp;
int error;
STATIC int
attr_system_get(
- struct vnode *vp, char *name, void *data, size_t size, int xflags)
+ bhv_vnode_t *vp, char *name, void *data, size_t size, int xflags)
{
attrnames_t *namesp;
STATIC int
attr_system_remove(
- struct vnode *vp, char *name, int xflags)
+ bhv_vnode_t *vp, char *name, int xflags)
{
attrnames_t *namesp;