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hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390 
 kernel/fs/gfs2/inode.c
....@@ -1,10 +1,7 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
12 /*
23  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
34  * Copyright (C) 2004-2011 Red Hat, Inc.  All rights reserved.
4
- *
5
- * This copyrighted material is made available to anyone wishing to use,
6
- * modify, copy, or redistribute it subject to the terms and conditions
7
- * of the GNU General Public License version 2.
85  */
96 
107 #include <linux/slab.h>
....@@ -20,6 +17,7 @@
2017 #include <linux/crc32.h>
2118 #include <linux/iomap.h>
2219 #include <linux/security.h>
20
+#include <linux/fiemap.h>
2321 #include <linux/uaccess.h>
2422 
2523 #include "gfs2.h"
....@@ -117,6 +115,10 @@
117115  * placeholder because it doesn't otherwise make sense), the on-disk block type
118116  * is verified to be @blktype.
119117  *
118
+ * When @no_formal_ino is non-zero, this function will return ERR_PTR(-ESTALE)
119
+ * if it detects that @no_formal_ino doesn't match the actual inode generation
120
+ * number.  However, it doesn't always know unless @type is DT_UNKNOWN.
121
+ *
120122  * Returns: A VFS inode, or an error
121123  */
122124 
....@@ -139,7 +141,6 @@
139141 
140142 	if (inode->i_state & I_NEW) {
141143 		struct gfs2_sbd *sdp = GFS2_SB(inode);
142
-		ip->i_no_formal_ino = no_formal_ino;
143144 
144145 		error = gfs2_glock_get(sdp, no_addr, &gfs2_inode_glops, CREATE, &ip->i_gl);
145146 		if (unlikely(error))
....@@ -148,7 +149,9 @@
148149 
149150 		error = gfs2_glock_get(sdp, no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
150151 		if (unlikely(error))
151
-			goto fail_put;
152
+			goto fail;
153
+		if (blktype != GFS2_BLKST_UNLINKED)
154
+			gfs2_cancel_delete_work(io_gl);
152155 
153156 		if (type == DT_UNKNOWN || blktype != GFS2_BLKST_FREE) {
154157 			/*
....@@ -159,13 +162,18 @@
159162 			error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE,
160163 						   GL_SKIP, &i_gh);
161164 			if (error)
162
-				goto fail_put;
165
+				goto fail;
166
+
167
+			error = -ESTALE;
168
+			if (no_formal_ino &&
169
+			    gfs2_inode_already_deleted(ip->i_gl, no_formal_ino))
170
+				goto fail;
163171 
164172 			if (blktype != GFS2_BLKST_FREE) {
165173 				error = gfs2_check_blk_type(sdp, no_addr,
166174 							    blktype);
167175 				if (error)
168
-					goto fail_put;
176
+					goto fail;
169177 			}
170178 		}
171179 
....@@ -173,65 +181,74 @@
173181 		set_bit(GIF_INVALID, &ip->i_flags);
174182 		error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);
175183 		if (unlikely(error))
176
-			goto fail_put;
184
+			goto fail;
177185 		glock_set_object(ip->i_iopen_gh.gh_gl, ip);
178186 		gfs2_glock_put(io_gl);
179187 		io_gl = NULL;
180
-
181
-		if (type == DT_UNKNOWN) {
182
-			/* Inode glock must be locked already */
183
-			error = gfs2_inode_refresh(GFS2_I(inode));
184
-			if (error)
185
-				goto fail_refresh;
186
-		} else {
187
-			inode->i_mode = DT2IF(type);
188
-		}
189
-
190
-		gfs2_set_iop(inode);
191188 
192189 		/* Lowest possible timestamp; will be overwritten in gfs2_dinode_in. */
193190 		inode->i_atime.tv_sec = 1LL << (8 * sizeof(inode->i_atime.tv_sec) - 1);
194191 		inode->i_atime.tv_nsec = 0;
195192 
196
-		unlock_new_inode(inode);
193
+		if (type == DT_UNKNOWN) {
194
+			/* Inode glock must be locked already */
195
+			error = gfs2_inode_refresh(GFS2_I(inode));
196
+			if (error)
197
+				goto fail;
198
+		} else {
199
+			ip->i_no_formal_ino = no_formal_ino;
200
+			inode->i_mode = DT2IF(type);
201
+		}
202
+
203
+		if (gfs2_holder_initialized(&i_gh))
204
+			gfs2_glock_dq_uninit(&i_gh);
205
+
206
+		gfs2_set_iop(inode);
197207 	}
198208 
199
-	if (gfs2_holder_initialized(&i_gh))
200
-		gfs2_glock_dq_uninit(&i_gh);
209
+	if (no_formal_ino && ip->i_no_formal_ino &&
210
+	    no_formal_ino != ip->i_no_formal_ino) {
211
+		error = -ESTALE;
212
+		if (inode->i_state & I_NEW)
213
+			goto fail;
214
+		iput(inode);
215
+		return ERR_PTR(error);
216
+	}
217
+
218
+	if (inode->i_state & I_NEW)
219
+		unlock_new_inode(inode);
220
+
201221 	return inode;
202222 
203
-fail_refresh:
204
-	ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
205
-	glock_clear_object(ip->i_iopen_gh.gh_gl, ip);
206
-	gfs2_glock_dq_uninit(&ip->i_iopen_gh);
207
-fail_put:
223
+fail:
208224 	if (io_gl)
209225 		gfs2_glock_put(io_gl);
210
-	glock_clear_object(ip->i_gl, ip);
211226 	if (gfs2_holder_initialized(&i_gh))
212227 		gfs2_glock_dq_uninit(&i_gh);
213
-fail:
214228 	iget_failed(inode);
215229 	return ERR_PTR(error);
216230 }
217231 
232
+/**
233
+ * gfs2_lookup_by_inum - look up an inode by inode number
234
+ * @sdp: The super block
235
+ * @no_addr: The inode number
236
+ * @no_formal_ino: The inode generation number (0 for any)
237
+ * @blktype: Requested block type (see gfs2_inode_lookup)
238
+ */
218239 struct inode *gfs2_lookup_by_inum(struct gfs2_sbd *sdp, u64 no_addr,
219
-				  u64 *no_formal_ino, unsigned int blktype)
240
+				  u64 no_formal_ino, unsigned int blktype)
220241 {
221242 	struct super_block *sb = sdp->sd_vfs;
222243 	struct inode *inode;
223244 	int error;
224245 
225
-	inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, 0, blktype);
246
+	inode = gfs2_inode_lookup(sb, DT_UNKNOWN, no_addr, no_formal_ino,
247
+				  blktype);
226248 	if (IS_ERR(inode))
227249 		return inode;
228250 
229
-	/* Two extra checks for NFS only */
230251 	if (no_formal_ino) {
231
-		error = -ESTALE;
232
-		if (GFS2_I(inode)->i_no_formal_ino != *no_formal_ino)
233
-			goto fail_iput;
234
-
235252 		error = -EIO;
236253 		if (GFS2_I(inode)->i_diskflags & GFS2_DIF_SYSTEM)
237254 			goto fail_iput;
....@@ -597,13 +614,13 @@
597614 	if (!name->len || name->len > GFS2_FNAMESIZE)
598615 		return -ENAMETOOLONG;
599616 
600
-	error = gfs2_rsqa_alloc(dip);
617
+	error = gfs2_qa_get(dip);
601618 	if (error)
602619 		return error;
603620 
604621 	error = gfs2_rindex_update(sdp);
605622 	if (error)
606
-		return error;
623
+		goto fail;
607624 
608625 	error = gfs2_glock_nq_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
609626 	if (error)
....@@ -631,7 +648,7 @@
631648 				error = finish_no_open(file, NULL);
632649 		}
633650 		gfs2_glock_dq_uninit(ghs);
634
-		return error;
651
+		goto fail;
635652 	} else if (error != -ENOENT) {
636653 		goto fail_gunlock;
637654 	}
....@@ -650,7 +667,7 @@
650667 		goto fail_gunlock;
651668 
652669 	ip = GFS2_I(inode);
653
-	error = gfs2_rsqa_alloc(ip);
670
+	error = gfs2_qa_get(ip);
654671 	if (error)
655672 		goto fail_free_acls;
656673 
....@@ -659,7 +676,6 @@
659676 	inode->i_rdev = dev;
660677 	inode->i_size = size;
661678 	inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
662
-	gfs2_set_inode_blocks(inode, 1);
663679 	munge_mode_uid_gid(dip, inode);
664680 	check_and_update_goal(dip);
665681 	ip->i_goal = dip->i_goal;
....@@ -709,13 +725,19 @@
709725 	flush_delayed_work(&ip->i_gl->gl_work);
710726 	glock_set_object(ip->i_gl, ip);
711727 
712
-	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
728
+	error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
713729 	if (error)
714730 		goto fail_free_inode;
731
+	gfs2_cancel_delete_work(io_gl);
732
+	glock_set_object(io_gl, ip);
733
+
734
+	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, ghs + 1);
735
+	if (error)
736
+		goto fail_gunlock2;
715737 
716738 	error = gfs2_trans_begin(sdp, blocks, 0);
717739 	if (error)
718
-		goto fail_free_inode;
740
+		goto fail_gunlock2;
719741 
720742 	if (blocks > 1) {
721743 		ip->i_eattr = ip->i_no_addr + 1;
....@@ -724,17 +746,12 @@
724746 	init_dinode(dip, ip, symname);
725747 	gfs2_trans_end(sdp);
726748 
727
-	error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
728
-	if (error)
729
-		goto fail_free_inode;
730
-
731749 	BUG_ON(test_and_set_bit(GLF_INODE_CREATING, &io_gl->gl_flags));
732750 
733751 	error = gfs2_glock_nq_init(io_gl, LM_ST_SHARED, GL_EXACT, &ip->i_iopen_gh);
734752 	if (error)
735753 		goto fail_gunlock2;
736754 
737
-	glock_set_object(ip->i_iopen_gh.gh_gl, ip);
738755 	gfs2_set_iop(inode);
739756 	insert_inode_hash(inode);
740757 
....@@ -774,9 +791,11 @@
774791 		error = finish_open(file, dentry, gfs2_open_common);
775792 	}
776793 	gfs2_glock_dq_uninit(ghs);
794
+	gfs2_qa_put(ip);
777795 	gfs2_glock_dq_uninit(ghs + 1);
778796 	clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
779797 	gfs2_glock_put(io_gl);
798
+	gfs2_qa_put(dip);
780799 	return error;
781800 
782801 fail_gunlock3:
....@@ -784,20 +803,23 @@
784803 	gfs2_glock_dq_uninit(&ip->i_iopen_gh);
785804 fail_gunlock2:
786805 	clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
806
+	glock_clear_object(io_gl, ip);
787807 	gfs2_glock_put(io_gl);
788808 fail_free_inode:
789809 	if (ip->i_gl) {
790810 		glock_clear_object(ip->i_gl, ip);
791
-		gfs2_glock_put(ip->i_gl);
811
+		if (free_vfs_inode) /* else evict will do the put for us */
812
+			gfs2_glock_put(ip->i_gl);
792813 	}
793
-	gfs2_rsqa_delete(ip, NULL);
814
+	gfs2_rs_deltree(&ip->i_res);
815
+	gfs2_qa_put(ip);
794816 fail_free_acls:
795817 	posix_acl_release(default_acl);
796818 	posix_acl_release(acl);
797819 fail_gunlock:
798820 	gfs2_dir_no_add(&da);
799821 	gfs2_glock_dq_uninit(ghs);
800
-	if (inode && !IS_ERR(inode)) {
822
+	if (!IS_ERR_OR_NULL(inode)) {
801823 		clear_nlink(inode);
802824 		if (!free_vfs_inode)
803825 			mark_inode_dirty(inode);
....@@ -808,6 +830,7 @@
808830 	if (gfs2_holder_initialized(ghs + 1))
809831 		gfs2_glock_dq_uninit(ghs + 1);
810832 fail:
833
+	gfs2_qa_put(dip);
811834 	return error;
812835 }
813836 
....@@ -909,7 +932,7 @@
909932 	if (S_ISDIR(inode->i_mode))
910933 		return -EPERM;
911934 
912
-	error = gfs2_rsqa_alloc(dip);
935
+	error = gfs2_qa_get(dip);
913936 	if (error)
914937 		return error;
915938 
....@@ -1012,6 +1035,7 @@
10121035 out_child:
10131036 	gfs2_glock_dq(ghs);
10141037 out_parent:
1038
+	gfs2_qa_put(dip);
10151039 	gfs2_holder_uninit(ghs);
10161040 	gfs2_holder_uninit(ghs + 1);
10171041 	return error;
....@@ -1352,7 +1376,7 @@
13521376 	struct gfs2_inode *ip = GFS2_I(d_inode(odentry));
13531377 	struct gfs2_inode *nip = NULL;
13541378 	struct gfs2_sbd *sdp = GFS2_SB(odir);
1355
-	struct gfs2_holder ghs[5], r_gh;
1379
+	struct gfs2_holder ghs[4], r_gh, rd_gh;
13561380 	struct gfs2_rgrpd *nrgd;
13571381 	unsigned int num_gh;
13581382 	int dir_rename = 0;
....@@ -1361,6 +1385,7 @@
13611385 	int error;
13621386 
13631387 	gfs2_holder_mark_uninitialized(&r_gh);
1388
+	gfs2_holder_mark_uninitialized(&rd_gh);
13641389 	if (d_really_is_positive(ndentry)) {
13651390 		nip = GFS2_I(d_inode(ndentry));
13661391 		if (ip == nip)
....@@ -1371,7 +1396,7 @@
13711396 	if (error)
13721397 		return error;
13731398 
1374
-	error = gfs2_rsqa_alloc(ndip);
1399
+	error = gfs2_qa_get(ndip);
13751400 	if (error)
13761401 		return error;
13771402 
....@@ -1391,28 +1416,42 @@
13911416 	}
13921417 
13931418 	num_gh = 1;
1394
-	gfs2_holder_init(odip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
1419
+	gfs2_holder_init(odip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC, ghs);
13951420 	if (odip != ndip) {
1396
-		gfs2_holder_init(ndip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
1421
+		gfs2_holder_init(ndip->i_gl, LM_ST_EXCLUSIVE,GL_ASYNC,
1422
+				 ghs + num_gh);
13971423 		num_gh++;
13981424 	}
1399
-	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
1425
+	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC, ghs + num_gh);
14001426 	num_gh++;
14011427 
14021428 	if (nip) {
1403
-		gfs2_holder_init(nip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
1429
+		gfs2_holder_init(nip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC,
1430
+				 ghs + num_gh);
14041431 		num_gh++;
1405
-		/* grab the resource lock for unlink flag twiddling 
1406
-		 * this is the case of the target file already existing
1407
-		 * so we unlink before doing the rename
1408
-		 */
1409
-		nrgd = gfs2_blk2rgrpd(sdp, nip->i_no_addr, 1);
1410
-		if (nrgd)
1411
-			gfs2_holder_init(nrgd->rd_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh++);
14121432 	}
14131433 
14141434 	for (x = 0; x < num_gh; x++) {
14151435 		error = gfs2_glock_nq(ghs + x);
1436
+		if (error)
1437
+			goto out_gunlock;
1438
+	}
1439
+	error = gfs2_glock_async_wait(num_gh, ghs);
1440
+	if (error)
1441
+		goto out_gunlock;
1442
+
1443
+	if (nip) {
1444
+		/* Grab the resource group glock for unlink flag twiddling.
1445
+		 * This is the case where the target dinode already exists
1446
+		 * so we unlink before doing the rename.
1447
+		 */
1448
+		nrgd = gfs2_blk2rgrpd(sdp, nip->i_no_addr, 1);
1449
+		if (!nrgd) {
1450
+			error = -ENOENT;
1451
+			goto out_gunlock;
1452
+		}
1453
+		error = gfs2_glock_nq_init(nrgd->rd_gl, LM_ST_EXCLUSIVE, 0,
1454
+					   &rd_gh);
14161455 		if (error)
14171456 			goto out_gunlock;
14181457 	}
....@@ -1464,7 +1503,7 @@
14641503 			error = -EEXIST;
14651504 		default:
14661505 			goto out_gunlock;
1467
-		};
1506
+		}
14681507 
14691508 		if (odip != ndip) {
14701509 			if (!ndip->i_inode.i_nlink) {
....@@ -1545,14 +1584,19 @@
15451584 		gfs2_quota_unlock(ndip);
15461585 out_gunlock:
15471586 	gfs2_dir_no_add(&da);
1587
+	if (gfs2_holder_initialized(&rd_gh))
1588
+		gfs2_glock_dq_uninit(&rd_gh);
1589
+
15481590 	while (x--) {
1549
-		gfs2_glock_dq(ghs + x);
1591
+		if (gfs2_holder_queued(ghs + x))
1592
+			gfs2_glock_dq(ghs + x);
15501593 		gfs2_holder_uninit(ghs + x);
15511594 	}
15521595 out_gunlock_r:
15531596 	if (gfs2_holder_initialized(&r_gh))
15541597 		gfs2_glock_dq_uninit(&r_gh);
15551598 out:
1599
+	gfs2_qa_put(ndip);
15561600 	return error;
15571601 }
15581602 
....@@ -1576,7 +1620,7 @@
15761620 	struct gfs2_inode *oip = GFS2_I(odentry->d_inode);
15771621 	struct gfs2_inode *nip = GFS2_I(ndentry->d_inode);
15781622 	struct gfs2_sbd *sdp = GFS2_SB(odir);
1579
-	struct gfs2_holder ghs[5], r_gh;
1623
+	struct gfs2_holder ghs[4], r_gh;
15801624 	unsigned int num_gh;
15811625 	unsigned int x;
15821626 	umode_t old_mode = oip->i_inode.i_mode;
....@@ -1610,15 +1654,16 @@
16101654 	}
16111655 
16121656 	num_gh = 1;
1613
-	gfs2_holder_init(odip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
1657
+	gfs2_holder_init(odip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC, ghs);
16141658 	if (odip != ndip) {
1615
-		gfs2_holder_init(ndip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
1659
+		gfs2_holder_init(ndip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC,
1660
+				 ghs + num_gh);
16161661 		num_gh++;
16171662 	}
1618
-	gfs2_holder_init(oip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
1663
+	gfs2_holder_init(oip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC, ghs + num_gh);
16191664 	num_gh++;
16201665 
1621
-	gfs2_holder_init(nip->i_gl, LM_ST_EXCLUSIVE, 0, ghs + num_gh);
1666
+	gfs2_holder_init(nip->i_gl, LM_ST_EXCLUSIVE, GL_ASYNC, ghs + num_gh);
16221667 	num_gh++;
16231668 
16241669 	for (x = 0; x < num_gh; x++) {
....@@ -1626,6 +1671,10 @@
16261671 		if (error)
16271672 			goto out_gunlock;
16281673 	}
1674
+
1675
+	error = gfs2_glock_async_wait(num_gh, ghs);
1676
+	if (error)
1677
+		goto out_gunlock;
16291678 
16301679 	error = -ENOENT;
16311680 	if (oip->i_inode.i_nlink == 0 || nip->i_inode.i_nlink == 0)
....@@ -1687,7 +1736,8 @@
16871736 	gfs2_trans_end(sdp);
16881737 out_gunlock:
16891738 	while (x--) {
1690
-		gfs2_glock_dq(ghs + x);
1739
+		if (gfs2_holder_queued(ghs + x))
1740
+			gfs2_glock_dq(ghs + x);
16911741 		gfs2_holder_uninit(ghs + x);
16921742 	}
16931743 out_gunlock_r:
....@@ -1858,10 +1908,9 @@
18581908 		ouid = nuid = NO_UID_QUOTA_CHANGE;
18591909 	if (!(attr->ia_valid & ATTR_GID) || gid_eq(ogid, ngid))
18601910 		ogid = ngid = NO_GID_QUOTA_CHANGE;
1861
-
1862
-	error = gfs2_rsqa_alloc(ip);
1911
+	error = gfs2_qa_get(ip);
18631912 	if (error)
1864
-		goto out;
1913
+		return error;
18651914 
18661915 	error = gfs2_rindex_update(sdp);
18671916 	if (error)
....@@ -1899,6 +1948,7 @@
18991948 out_gunlock_q:
19001949 	gfs2_quota_unlock(ip);
19011950 out:
1951
+	gfs2_qa_put(ip);
19021952 	return error;
19031953 }
19041954 
....@@ -1920,21 +1970,21 @@
19201970 	struct gfs2_holder i_gh;
19211971 	int error;
19221972 
1923
-	error = gfs2_rsqa_alloc(ip);
1973
+	error = gfs2_qa_get(ip);
19241974 	if (error)
19251975 		return error;
19261976 
19271977 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);
19281978 	if (error)
1929
-		return error;
1979
+		goto out;
19301980 
19311981 	error = -EPERM;
19321982 	if (IS_IMMUTABLE(inode) || IS_APPEND(inode))
1933
-		goto out;
1983
+		goto error;
19341984 
19351985 	error = setattr_prepare(dentry, attr);
19361986 	if (error)
1937
-		goto out;
1987
+		goto error;
19381988 
19391989 	if (attr->ia_valid & ATTR_SIZE)
19401990 		error = gfs2_setattr_size(inode, attr->ia_size);
....@@ -1946,10 +1996,12 @@
19461996 			error = posix_acl_chmod(inode, inode->i_mode);
19471997 	}
19481998 
1949
-out:
1999
+error:
19502000 	if (!error)
19512001 		mark_inode_dirty(inode);
19522002 	gfs2_glock_dq_uninit(&i_gh);
2003
+out:
2004
+	gfs2_qa_put(ip);
19532005 	return error;
19542006 }
19552007 
....@@ -2065,6 +2117,25 @@
20652117 	return vfs_setpos(file, ret, inode->i_sb->s_maxbytes);
20662118 }
20672119 
2120
+static int gfs2_update_time(struct inode *inode, struct timespec64 *time,
2121
+			    int flags)
2122
+{
2123
+	struct gfs2_inode *ip = GFS2_I(inode);
2124
+	struct gfs2_glock *gl = ip->i_gl;
2125
+	struct gfs2_holder *gh;
2126
+	int error;
2127
+
2128
+	gh = gfs2_glock_is_locked_by_me(gl);
2129
+	if (gh && !gfs2_glock_is_held_excl(gl)) {
2130
+		gfs2_glock_dq(gh);
2131
+		gfs2_holder_reinit(LM_ST_EXCLUSIVE, 0, gh);
2132
+		error = gfs2_glock_nq(gh);
2133
+		if (error)
2134
+			return error;
2135
+	}
2136
+	return generic_update_time(inode, time, flags);
2137
+}
2138
+
20682139 const struct inode_operations gfs2_file_iops = {
20692140 	.permission = gfs2_permission,
20702141 	.setattr = gfs2_setattr,
....@@ -2073,6 +2144,7 @@
20732144 	.fiemap = gfs2_fiemap,
20742145 	.get_acl = gfs2_get_acl,
20752146 	.set_acl = gfs2_set_acl,
2147
+	.update_time = gfs2_update_time,
20762148 };
20772149 
20782150 const struct inode_operations gfs2_dir_iops = {
....@@ -2092,6 +2164,7 @@
20922164 	.fiemap = gfs2_fiemap,
20932165 	.get_acl = gfs2_get_acl,
20942166 	.set_acl = gfs2_set_acl,
2167
+	.update_time = gfs2_update_time,
20952168 	.atomic_open = gfs2_atomic_open,
20962169 };
20972170