aboutsummaryrefslogtreecommitdiffstats
path: root/fs/gfs2/export.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 17:35:56 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-14 17:35:56 -0400
commit33f1de69312432baecb997a570b7d77c4d02d1ed (patch)
tree24e9e7487ec3b892e120409aa2ac1b1263794373 /fs/gfs2/export.c
parent041d6d0be82bed7e0b87181dba5d10b8ab14afd9 (diff)
parent86d006365610fe6cda243d89b67d5047dca44656 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: GFS2: Whitespace fixes GFS2: Remove unused sysfs file GFS2: Be extra careful about deallocating inodes GFS2: Remove no_formal_ino generating code GFS2: Rename eattr.[ch] as xattr.[ch] GFS2: Clean up of extended attribute support GFS2: Add explanation of extended attr on-disk format GFS2: Add "-o errors=panic|withdraw" mount options GFS2: jumping to wrong label? GFS2: free disk inode which is deleted by remote node -V2 GFS2: Add a document explaining GFS2's uevents GFS2: Add sysfs link to device GFS2: Replace assertion with proper error handling GFS2: Improve error handling in inode allocation GFS2: Add some more info to uevents GFS2: Add online uevent to GFS2
Diffstat (limited to 'fs/gfs2/export.c')
-rw-r--r--fs/gfs2/export.c36
1 files changed, 4 insertions, 32 deletions
diff --git a/fs/gfs2/export.c b/fs/gfs2/export.c
index 9200ef221716..d15876e9aa26 100644
--- a/fs/gfs2/export.c
+++ b/fs/gfs2/export.c
@@ -143,17 +143,14 @@ static struct dentry *gfs2_get_parent(struct dentry *child)
143} 143}
144 144
145static struct dentry *gfs2_get_dentry(struct super_block *sb, 145static struct dentry *gfs2_get_dentry(struct super_block *sb,
146 struct gfs2_inum_host *inum) 146 struct gfs2_inum_host *inum)
147{ 147{
148 struct gfs2_sbd *sdp = sb->s_fs_info; 148 struct gfs2_sbd *sdp = sb->s_fs_info;
149 struct gfs2_holder i_gh, ri_gh, rgd_gh; 149 struct gfs2_holder i_gh;
150 struct gfs2_rgrpd *rgd;
151 struct inode *inode; 150 struct inode *inode;
152 struct dentry *dentry; 151 struct dentry *dentry;
153 int error; 152 int error;
154 153
155 /* System files? */
156
157 inode = gfs2_ilookup(sb, inum->no_addr); 154 inode = gfs2_ilookup(sb, inum->no_addr);
158 if (inode) { 155 if (inode) {
159 if (GFS2_I(inode)->i_no_formal_ino != inum->no_formal_ino) { 156 if (GFS2_I(inode)->i_no_formal_ino != inum->no_formal_ino) {
@@ -168,29 +165,11 @@ static struct dentry *gfs2_get_dentry(struct super_block *sb,
168 if (error) 165 if (error)
169 return ERR_PTR(error); 166 return ERR_PTR(error);
170 167
171 error = gfs2_rindex_hold(sdp, &ri_gh); 168 error = gfs2_check_blk_type(sdp, inum->no_addr, GFS2_BLKST_DINODE);
172 if (error) 169 if (error)
173 goto fail; 170 goto fail;
174 171
175 error = -EINVAL; 172 inode = gfs2_inode_lookup(sb, DT_UNKNOWN, inum->no_addr, 0, 0);
176 rgd = gfs2_blk2rgrpd(sdp, inum->no_addr);
177 if (!rgd)
178 goto fail_rindex;
179
180 error = gfs2_glock_nq_init(rgd->rd_gl, LM_ST_SHARED, 0, &rgd_gh);
181 if (error)
182 goto fail_rindex;
183
184 error = -ESTALE;
185 if (gfs2_get_block_type(rgd, inum->no_addr) != GFS2_BLKST_DINODE)
186 goto fail_rgd;
187
188 gfs2_glock_dq_uninit(&rgd_gh);
189 gfs2_glock_dq_uninit(&ri_gh);
190
191 inode = gfs2_inode_lookup(sb, DT_UNKNOWN,
192 inum->no_addr,
193 0, 0);
194 if (IS_ERR(inode)) { 173 if (IS_ERR(inode)) {
195 error = PTR_ERR(inode); 174 error = PTR_ERR(inode);
196 goto fail; 175 goto fail;
@@ -224,13 +203,6 @@ out_inode:
224 if (!IS_ERR(dentry)) 203 if (!IS_ERR(dentry))
225 dentry->d_op = &gfs2_dops; 204 dentry->d_op = &gfs2_dops;
226 return dentry; 205 return dentry;
227
228fail_rgd:
229 gfs2_glock_dq_uninit(&rgd_gh);
230
231fail_rindex:
232 gfs2_glock_dq_uninit(&ri_gh);
233
234fail: 206fail:
235 gfs2_glock_dq_uninit(&i_gh); 207 gfs2_glock_dq_uninit(&i_gh);
236 return ERR_PTR(error); 208 return ERR_PTR(error);