From: Dave Chinner <dchinner@xxxxxxxxxx>
Adding CRC support to remote attributes adds a significant amount of
remote attribute specific code. Split the existing remote attribute
code out into it's own file so that all the relevant remote
attribute code is in a single, easy to find place.
Signed-off-by: Dave Chinner <dchinner@xxxxxxxxxx>
---
fs/xfs/Makefile | 1 +
fs/xfs/xfs_attr.c | 298 +----------------------------------------
fs/xfs/xfs_attr.h | 1 -
fs/xfs/xfs_attr_leaf.c | 1 +
fs/xfs/xfs_attr_remote.c | 328 ++++++++++++++++++++++++++++++++++++++++++++++
fs/xfs/xfs_attr_remote.h | 25 ++++
6 files changed, 356 insertions(+), 298 deletions(-)
create mode 100644 fs/xfs/xfs_attr_remote.c
create mode 100644 fs/xfs/xfs_attr_remote.h
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 062f25c..6313b69 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -58,6 +58,7 @@ xfs-y += xfs_alloc.o \
xfs_alloc_btree.o \
xfs_attr.o \
xfs_attr_leaf.o \
+ xfs_attr_remote.o \
xfs_bmap.o \
xfs_bmap_btree.o \
xfs_btree.o \
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index de4093f..449a240 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -35,6 +35,7 @@
#include "xfs_bmap.h"
#include "xfs_attr.h"
#include "xfs_attr_leaf.h"
+#include "xfs_attr_remote.h"
#include "xfs_quota.h"
#include "xfs_trans_space.h"
#include "xfs_vnodeops.h"
@@ -73,13 +74,6 @@ STATIC int xfs_attr_node_list(xfs_attr_list_context_t *context);
STATIC int xfs_attr_fillstate(xfs_da_state_t *state);
STATIC int xfs_attr_refillstate(xfs_da_state_t *state);
-/*
- * Routines to manipulate out-of-line attribute values.
- */
-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 */
STATIC int
xfs_attr_name_to_xname(
@@ -1926,293 +1920,3 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
xfs_trans_brelse(NULL, bp);
return 0;
}
-
-
-/*========================================================================
- * External routines for manipulating out-of-line attribute values.
- *========================================================================*/
-
-/*
- * Read the value associated with an attribute from the out-of-line buffer
- * that we stored it in.
- */
-int
-xfs_attr_rmtval_get(xfs_da_args_t *args)
-{
- xfs_bmbt_irec_t map[ATTR_RMTVALUE_MAPSIZE];
- xfs_mount_t *mp;
- xfs_daddr_t dblkno;
- void *dst;
- xfs_buf_t *bp;
- int nmap, error, tmp, valuelen, blkcnt, i;
- xfs_dablk_t lblkno;
-
- trace_xfs_attr_rmtval_get(args);
-
- ASSERT(!(args->flags & ATTR_KERNOVAL));
-
- mp = args->dp->i_mount;
- dst = args->value;
- valuelen = args->valuelen;
- lblkno = args->rmtblkno;
- while (valuelen > 0) {
- nmap = ATTR_RMTVALUE_MAPSIZE;
- error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno,
- args->rmtblkcnt, map, &nmap,
- XFS_BMAPI_ATTRFORK);
- if (error)
- return(error);
- ASSERT(nmap >= 1);
-
- for (i = 0; (i < nmap) && (valuelen > 0); i++) {
- ASSERT((map[i].br_startblock != DELAYSTARTBLOCK) &&
- (map[i].br_startblock != HOLESTARTBLOCK));
- dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock);
- blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
- error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
- dblkno, blkcnt, 0, &bp, NULL);
- if (error)
- return(error);
-
- tmp = min_t(int, valuelen, BBTOB(bp->b_length));
- xfs_buf_iomove(bp, 0, tmp, dst, XBRW_READ);
- xfs_buf_relse(bp);
- dst += tmp;
- valuelen -= tmp;
-
- lblkno += map[i].br_blockcount;
- }
- }
- ASSERT(valuelen == 0);
- return(0);
-}
-
-/*
- * Write the value associated with an attribute into the out-of-line buffer
- * that we have defined for it.
- */
-STATIC int
-xfs_attr_rmtval_set(xfs_da_args_t *args)
-{
- xfs_mount_t *mp;
- xfs_fileoff_t lfileoff;
- xfs_inode_t *dp;
- xfs_bmbt_irec_t map;
- xfs_daddr_t dblkno;
- void *src;
- xfs_buf_t *bp;
- xfs_dablk_t lblkno;
- int blkcnt, valuelen, nmap, error, tmp, committed;
-
- trace_xfs_attr_rmtval_set(args);
-
- dp = args->dp;
- mp = dp->i_mount;
- src = args->value;
-
- /*
- * Find a "hole" in the attribute address space large enough for
- * us to drop the new attribute's value into.
- */
- blkcnt = XFS_B_TO_FSB(mp, args->valuelen);
- lfileoff = 0;
- error = xfs_bmap_first_unused(args->trans, args->dp, blkcnt, &lfileoff,
- XFS_ATTR_FORK);
- if (error) {
- return(error);
- }
- args->rmtblkno = lblkno = (xfs_dablk_t)lfileoff;
- args->rmtblkcnt = blkcnt;
-
- /*
- * Roll through the "value", allocating blocks on disk as required.
- */
- while (blkcnt > 0) {
- /*
- * Allocate a single extent, up to the size of the value.
- */
- xfs_bmap_init(args->flist, args->firstblock);
- nmap = 1;
- error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno,
- blkcnt,
- XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
- args->firstblock, args->total, &map, &nmap,
- args->flist);
- if (!error) {
- error = xfs_bmap_finish(&args->trans, args->flist,
- &committed);
- }
- if (error) {
- ASSERT(committed);
- args->trans = NULL;
- xfs_bmap_cancel(args->flist);
- return(error);
- }
-
- /*
- * bmap_finish() may have committed the last trans and started
- * a new one. We need the inode to be in all transactions.
- */
- if (committed)
- xfs_trans_ijoin(args->trans, dp, 0);
-
- ASSERT(nmap == 1);
- ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
- (map.br_startblock != HOLESTARTBLOCK));
- lblkno += map.br_blockcount;
- blkcnt -= map.br_blockcount;
-
- /*
- * Start the next trans in the chain.
- */
- error = xfs_trans_roll(&args->trans, dp);
- if (error)
- return (error);
- }
-
- /*
- * Roll through the "value", copying the attribute value to the
- * already-allocated blocks. Blocks are written synchronously
- * so that we can know they are all on disk before we turn off
- * the INCOMPLETE flag.
- */
- lblkno = args->rmtblkno;
- valuelen = args->valuelen;
- while (valuelen > 0) {
- int buflen;
-
- /*
- * Try to remember where we decided to put the value.
- */
- xfs_bmap_init(args->flist, args->firstblock);
- nmap = 1;
- error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno,
- args->rmtblkcnt, &map, &nmap,
- XFS_BMAPI_ATTRFORK);
- if (error)
- return(error);
- ASSERT(nmap == 1);
- ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
- (map.br_startblock != HOLESTARTBLOCK));
-
- dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock),
- blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount);
-
- bp = xfs_buf_get(mp->m_ddev_targp, dblkno, blkcnt, 0);
- if (!bp)
- return ENOMEM;
-
- buflen = BBTOB(bp->b_length);
- tmp = min_t(int, valuelen, buflen);
- xfs_buf_iomove(bp, 0, tmp, src, XBRW_WRITE);
- if (tmp < buflen)
- xfs_buf_zero(bp, tmp, buflen - tmp);
-
- error = xfs_bwrite(bp); /* GROT: NOTE: synchronous write */
- xfs_buf_relse(bp);
- if (error)
- return error;
- src += tmp;
- valuelen -= tmp;
-
- lblkno += map.br_blockcount;
- }
- ASSERT(valuelen == 0);
- return(0);
-}
-
-/*
- * Remove the value associated with an attribute by deleting the
- * out-of-line buffer that it is stored on.
- */
-STATIC int
-xfs_attr_rmtval_remove(xfs_da_args_t *args)
-{
- xfs_mount_t *mp;
- xfs_bmbt_irec_t map;
- xfs_buf_t *bp;
- xfs_daddr_t dblkno;
- xfs_dablk_t lblkno;
- int valuelen, blkcnt, nmap, error, done, committed;
-
- trace_xfs_attr_rmtval_remove(args);
-
- mp = args->dp->i_mount;
-
- /*
- * Roll through the "value", invalidating the attribute value's
- * blocks.
- */
- lblkno = args->rmtblkno;
- valuelen = args->rmtblkcnt;
- while (valuelen > 0) {
- /*
- * Try to remember where we decided to put the value.
- */
- nmap = 1;
- error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno,
- args->rmtblkcnt, &map, &nmap,
- XFS_BMAPI_ATTRFORK);
- if (error)
- return(error);
- ASSERT(nmap == 1);
- ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
- (map.br_startblock != HOLESTARTBLOCK));
-
- dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock),
- blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount);
-
- /*
- * If the "remote" value is in the cache, remove it.
- */
- bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt, XBF_TRYLOCK);
- if (bp) {
- xfs_buf_stale(bp);
- xfs_buf_relse(bp);
- bp = NULL;
- }
-
- valuelen -= map.br_blockcount;
-
- lblkno += map.br_blockcount;
- }
-
- /*
- * Keep de-allocating extents until the remote-value region is gone.
- */
- lblkno = args->rmtblkno;
- blkcnt = args->rmtblkcnt;
- done = 0;
- while (!done) {
- 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);
- if (!error) {
- error = xfs_bmap_finish(&args->trans, args->flist,
- &committed);
- }
- if (error) {
- ASSERT(committed);
- args->trans = NULL;
- xfs_bmap_cancel(args->flist);
- return(error);
- }
-
- /*
- * bmap_finish() may have committed the last trans and started
- * a new one. We need the inode to be in all transactions.
- */
- if (committed)
- xfs_trans_ijoin(args->trans, args->dp, 0);
-
- /*
- * Close out trans and start the next one in the chain.
- */
- error = xfs_trans_roll(&args->trans, args->dp);
- if (error)
- return (error);
- }
- return(0);
-}
diff --git a/fs/xfs/xfs_attr.h b/fs/xfs/xfs_attr.h
index e920d68..de8dd58 100644
--- a/fs/xfs/xfs_attr.h
+++ b/fs/xfs/xfs_attr.h
@@ -140,7 +140,6 @@ typedef struct xfs_attr_list_context {
* Overall external interface routines.
*/
int xfs_attr_inactive(struct xfs_inode *dp);
-int xfs_attr_rmtval_get(struct xfs_da_args *args);
int xfs_attr_list_int(struct xfs_attr_list_context *);
#endif /* __XFS_ATTR_H__ */
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index 9c18451..a1cb746 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -32,6 +32,7 @@
#include "xfs_alloc.h"
#include "xfs_btree.h"
#include "xfs_attr_sf.h"
+#include "xfs_attr_remote.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
#include "xfs_inode_item.h"
diff --git a/fs/xfs/xfs_attr_remote.c b/fs/xfs/xfs_attr_remote.c
new file mode 100644
index 0000000..be615d1
--- /dev/null
+++ b/fs/xfs/xfs_attr_remote.c
@@ -0,0 +1,328 @@
+/*
+ * 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 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. See the
+ * GNU General Public License for more details.
+ *
+ * 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 "xfs_fs.h"
+#include "xfs_types.h"
+#include "xfs_bit.h"
+#include "xfs_log.h"
+#include "xfs_trans.h"
+#include "xfs_sb.h"
+#include "xfs_ag.h"
+#include "xfs_mount.h"
+#include "xfs_error.h"
+#include "xfs_da_btree.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_dinode.h"
+#include "xfs_inode.h"
+#include "xfs_alloc.h"
+#include "xfs_inode_item.h"
+#include "xfs_bmap.h"
+#include "xfs_attr.h"
+#include "xfs_attr_leaf.h"
+#include "xfs_attr_remote.h"
+#include "xfs_trans_space.h"
+#include "xfs_trace.h"
+
+
+#define ATTR_RMTVALUE_MAPSIZE 1 /* # of map entries at once */
+
+/*
+ * Read the value associated with an attribute from the out-of-line buffer
+ * that we stored it in.
+ */
+int
+xfs_attr_rmtval_get(xfs_da_args_t *args)
+{
+ xfs_bmbt_irec_t map[ATTR_RMTVALUE_MAPSIZE];
+ xfs_mount_t *mp;
+ xfs_daddr_t dblkno;
+ void *dst;
+ xfs_buf_t *bp;
+ int nmap, error, tmp, valuelen, blkcnt, i;
+ xfs_dablk_t lblkno;
+
+ trace_xfs_attr_rmtval_get(args);
+
+ ASSERT(!(args->flags & ATTR_KERNOVAL));
+
+ mp = args->dp->i_mount;
+ dst = args->value;
+ valuelen = args->valuelen;
+ lblkno = args->rmtblkno;
+ while (valuelen > 0) {
+ nmap = ATTR_RMTVALUE_MAPSIZE;
+ error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno,
+ args->rmtblkcnt, map, &nmap,
+ XFS_BMAPI_ATTRFORK);
+ if (error)
+ return(error);
+ ASSERT(nmap >= 1);
+
+ for (i = 0; (i < nmap) && (valuelen > 0); i++) {
+ ASSERT((map[i].br_startblock != DELAYSTARTBLOCK) &&
+ (map[i].br_startblock != HOLESTARTBLOCK));
+ dblkno = XFS_FSB_TO_DADDR(mp, map[i].br_startblock);
+ blkcnt = XFS_FSB_TO_BB(mp, map[i].br_blockcount);
+ error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp,
+ dblkno, blkcnt, 0, &bp, NULL);
+ if (error)
+ return(error);
+
+ tmp = min_t(int, valuelen, BBTOB(bp->b_length));
+ xfs_buf_iomove(bp, 0, tmp, dst, XBRW_READ);
+ xfs_buf_relse(bp);
+ dst += tmp;
+ valuelen -= tmp;
+
+ lblkno += map[i].br_blockcount;
+ }
+ }
+ ASSERT(valuelen == 0);
+ return(0);
+}
+
+/*
+ * Write the value associated with an attribute into the out-of-line buffer
+ * that we have defined for it.
+ */
+STATIC int
+xfs_attr_rmtval_set(xfs_da_args_t *args)
+{
+ xfs_mount_t *mp;
+ xfs_fileoff_t lfileoff;
+ xfs_inode_t *dp;
+ xfs_bmbt_irec_t map;
+ xfs_daddr_t dblkno;
+ void *src;
+ xfs_buf_t *bp;
+ xfs_dablk_t lblkno;
+ int blkcnt, valuelen, nmap, error, tmp, committed;
+
+ trace_xfs_attr_rmtval_set(args);
+
+ dp = args->dp;
+ mp = dp->i_mount;
+ src = args->value;
+
+ /*
+ * Find a "hole" in the attribute address space large enough for
+ * us to drop the new attribute's value into.
+ */
+ blkcnt = XFS_B_TO_FSB(mp, args->valuelen);
+ lfileoff = 0;
+ error = xfs_bmap_first_unused(args->trans, args->dp, blkcnt, &lfileoff,
+ XFS_ATTR_FORK);
+ if (error) {
+ return(error);
+ }
+ args->rmtblkno = lblkno = (xfs_dablk_t)lfileoff;
+ args->rmtblkcnt = blkcnt;
+
+ /*
+ * Roll through the "value", allocating blocks on disk as required.
+ */
+ while (blkcnt > 0) {
+ /*
+ * Allocate a single extent, up to the size of the value.
+ */
+ xfs_bmap_init(args->flist, args->firstblock);
+ nmap = 1;
+ error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno,
+ blkcnt,
+ XFS_BMAPI_ATTRFORK | XFS_BMAPI_METADATA,
+ args->firstblock, args->total, &map, &nmap,
+ args->flist);
+ if (!error) {
+ error = xfs_bmap_finish(&args->trans, args->flist,
+ &committed);
+ }
+ if (error) {
+ ASSERT(committed);
+ args->trans = NULL;
+ xfs_bmap_cancel(args->flist);
+ return(error);
+ }
+
+ /*
+ * bmap_finish() may have committed the last trans and started
+ * a new one. We need the inode to be in all transactions.
+ */
+ if (committed)
+ xfs_trans_ijoin(args->trans, dp, 0);
+
+ ASSERT(nmap == 1);
+ ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
+ (map.br_startblock != HOLESTARTBLOCK));
+ lblkno += map.br_blockcount;
+ blkcnt -= map.br_blockcount;
+
+ /*
+ * Start the next trans in the chain.
+ */
+ error = xfs_trans_roll(&args->trans, dp);
+ if (error)
+ return (error);
+ }
+
+ /*
+ * Roll through the "value", copying the attribute value to the
+ * already-allocated blocks. Blocks are written synchronously
+ * so that we can know they are all on disk before we turn off
+ * the INCOMPLETE flag.
+ */
+ lblkno = args->rmtblkno;
+ valuelen = args->valuelen;
+ while (valuelen > 0) {
+ int buflen;
+
+ /*
+ * Try to remember where we decided to put the value.
+ */
+ xfs_bmap_init(args->flist, args->firstblock);
+ nmap = 1;
+ error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno,
+ args->rmtblkcnt, &map, &nmap,
+ XFS_BMAPI_ATTRFORK);
+ if (error)
+ return(error);
+ ASSERT(nmap == 1);
+ ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
+ (map.br_startblock != HOLESTARTBLOCK));
+
+ dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock),
+ blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount);
+
+ bp = xfs_buf_get(mp->m_ddev_targp, dblkno, blkcnt, 0);
+ if (!bp)
+ return ENOMEM;
+
+ buflen = BBTOB(bp->b_length);
+ tmp = min_t(int, valuelen, buflen);
+ xfs_buf_iomove(bp, 0, tmp, src, XBRW_WRITE);
+ if (tmp < buflen)
+ xfs_buf_zero(bp, tmp, buflen - tmp);
+
+ error = xfs_bwrite(bp); /* GROT: NOTE: synchronous write */
+ xfs_buf_relse(bp);
+ if (error)
+ return error;
+ src += tmp;
+ valuelen -= tmp;
+
+ lblkno += map.br_blockcount;
+ }
+ ASSERT(valuelen == 0);
+ return(0);
+}
+
+/*
+ * Remove the value associated with an attribute by deleting the
+ * out-of-line buffer that it is stored on.
+ */
+STATIC int
+xfs_attr_rmtval_remove(xfs_da_args_t *args)
+{
+ xfs_mount_t *mp;
+ xfs_bmbt_irec_t map;
+ xfs_buf_t *bp;
+ xfs_daddr_t dblkno;
+ xfs_dablk_t lblkno;
+ int valuelen, blkcnt, nmap, error, done, committed;
+
+ trace_xfs_attr_rmtval_remove(args);
+
+ mp = args->dp->i_mount;
+
+ /*
+ * Roll through the "value", invalidating the attribute value's
+ * blocks.
+ */
+ lblkno = args->rmtblkno;
+ valuelen = args->rmtblkcnt;
+ while (valuelen > 0) {
+ /*
+ * Try to remember where we decided to put the value.
+ */
+ nmap = 1;
+ error = xfs_bmapi_read(args->dp, (xfs_fileoff_t)lblkno,
+ args->rmtblkcnt, &map, &nmap,
+ XFS_BMAPI_ATTRFORK);
+ if (error)
+ return(error);
+ ASSERT(nmap == 1);
+ ASSERT((map.br_startblock != DELAYSTARTBLOCK) &&
+ (map.br_startblock != HOLESTARTBLOCK));
+
+ dblkno = XFS_FSB_TO_DADDR(mp, map.br_startblock),
+ blkcnt = XFS_FSB_TO_BB(mp, map.br_blockcount);
+
+ /*
+ * If the "remote" value is in the cache, remove it.
+ */
+ bp = xfs_incore(mp->m_ddev_targp, dblkno, blkcnt, XBF_TRYLOCK);
+ if (bp) {
+ xfs_buf_stale(bp);
+ xfs_buf_relse(bp);
+ bp = NULL;
+ }
+
+ valuelen -= map.br_blockcount;
+
+ lblkno += map.br_blockcount;
+ }
+
+ /*
+ * Keep de-allocating extents until the remote-value region is gone.
+ */
+ lblkno = args->rmtblkno;
+ blkcnt = args->rmtblkcnt;
+ done = 0;
+ while (!done) {
+ 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);
+ if (!error) {
+ error = xfs_bmap_finish(&args->trans, args->flist,
+ &committed);
+ }
+ if (error) {
+ ASSERT(committed);
+ args->trans = NULL;
+ xfs_bmap_cancel(args->flist);
+ return(error);
+ }
+
+ /*
+ * bmap_finish() may have committed the last trans and started
+ * a new one. We need the inode to be in all transactions.
+ */
+ if (committed)
+ xfs_trans_ijoin(args->trans, args->dp, 0);
+
+ /*
+ * Close out trans and start the next one in the chain.
+ */
+ error = xfs_trans_roll(&args->trans, args->dp);
+ if (error)
+ return (error);
+ }
+ return(0);
+}
+
diff --git a/fs/xfs/xfs_attr_remote.h b/fs/xfs/xfs_attr_remote.h
new file mode 100644
index 0000000..2a34b9a
--- /dev/null
+++ b/fs/xfs/xfs_attr_remote.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2013 Red Hat, Inc.
+ * All Rights Reserved.
+ *
+ * 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. See the
+ * GNU General Public License for more details.
+ *
+ * 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
+ */
+#ifndef __XFS_ATTR_REMOTE_H__
+#define __XFS_ATTR_REMOTE_H__
+
+int xfs_attr_rmtval_get(struct xfs_da_args *args);
+int xfs_attr_rmtval_set(struct xfs_da_args *args);
+int xfs_attr_rmtval_remove(struct xfs_da_args *args);
+
+#endif /* __XFS_ATTR_REMOTE_H__ */
--
1.7.10.4
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