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Diffstat (limited to 'fs/gfs2/super.c')
-rw-r--r--fs/gfs2/super.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index a4e23d68a398..b9f28e66dad1 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1318,15 +1318,17 @@ static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt)
1318 1318
1319static void gfs2_evict_inode(struct inode *inode) 1319static void gfs2_evict_inode(struct inode *inode)
1320{ 1320{
1321 struct gfs2_sbd *sdp = inode->i_sb->s_fs_info; 1321 struct super_block *sb = inode->i_sb;
1322 struct gfs2_sbd *sdp = sb->s_fs_info;
1322 struct gfs2_inode *ip = GFS2_I(inode); 1323 struct gfs2_inode *ip = GFS2_I(inode);
1323 struct gfs2_holder gh; 1324 struct gfs2_holder gh;
1324 int error; 1325 int error;
1325 1326
1326 if (inode->i_nlink) 1327 if (inode->i_nlink || (sb->s_flags & MS_RDONLY))
1327 goto out; 1328 goto out;
1328 1329
1329 error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh); 1330 /* Must not read inode block until block type has been verified */
1331 error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, GL_SKIP, &gh);
1330 if (unlikely(error)) { 1332 if (unlikely(error)) {
1331 gfs2_glock_dq_uninit(&ip->i_iopen_gh); 1333 gfs2_glock_dq_uninit(&ip->i_iopen_gh);
1332 goto out; 1334 goto out;
@@ -1336,6 +1338,12 @@ static void gfs2_evict_inode(struct inode *inode)
1336 if (error) 1338 if (error)
1337 goto out_truncate; 1339 goto out_truncate;
1338 1340
1341 if (test_bit(GIF_INVALID, &ip->i_flags)) {
1342 error = gfs2_inode_refresh(ip);
1343 if (error)
1344 goto out_truncate;
1345 }
1346
1339 ip->i_iopen_gh.gh_flags |= GL_NOCACHE; 1347 ip->i_iopen_gh.gh_flags |= GL_NOCACHE;
1340 gfs2_glock_dq_wait(&ip->i_iopen_gh); 1348 gfs2_glock_dq_wait(&ip->i_iopen_gh);
1341 gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh); 1349 gfs2_holder_reinit(LM_ST_EXCLUSIVE, LM_FLAG_TRY_1CB | GL_NOCACHE, &ip->i_iopen_gh);