ocfs2: Remove open coded readdir()
ocfs2_queue_orphans() has an open coded readdir loop which can easily just
use a directory accessor function.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Reviewed-by: Joel Becker <joel.becker@oracle.com>
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 8bbfc80..f9d01e2 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -1213,17 +1213,49 @@
return status;
}
+struct ocfs2_orphan_filldir_priv {
+ struct inode *head;
+ struct ocfs2_super *osb;
+};
+
+static int ocfs2_orphan_filldir(void *priv, const char *name, int name_len,
+ loff_t pos, u64 ino, unsigned type)
+{
+ struct ocfs2_orphan_filldir_priv *p = priv;
+ struct inode *iter;
+
+ if (name_len == 1 && !strncmp(".", name, 1))
+ return 0;
+ if (name_len == 2 && !strncmp("..", name, 2))
+ return 0;
+
+ /* Skip bad inodes so that recovery can continue */
+ iter = ocfs2_iget(p->osb, ino,
+ OCFS2_FI_FLAG_ORPHAN_RECOVERY);
+ if (IS_ERR(iter))
+ return 0;
+
+ mlog(0, "queue orphan %llu\n",
+ (unsigned long long)OCFS2_I(iter)->ip_blkno);
+ /* No locking is required for the next_orphan queue as there
+ * is only ever a single process doing orphan recovery. */
+ OCFS2_I(iter)->ip_next_orphan = p->head;
+ p->head = iter;
+
+ return 0;
+}
+
static int ocfs2_queue_orphans(struct ocfs2_super *osb,
int slot,
struct inode **head)
{
int status;
struct inode *orphan_dir_inode = NULL;
- struct inode *iter;
- unsigned long offset, blk, local;
- struct buffer_head *bh = NULL;
- struct ocfs2_dir_entry *de;
- struct super_block *sb = osb->sb;
+ struct ocfs2_orphan_filldir_priv priv;
+ loff_t pos = 0;
+
+ priv.osb = osb;
+ priv.head = *head;
orphan_dir_inode = ocfs2_get_system_file_inode(osb,
ORPHAN_DIR_SYSTEM_INODE,
@@ -1241,77 +1273,15 @@
goto out;
}
- offset = 0;
- iter = NULL;
- while(offset < i_size_read(orphan_dir_inode)) {
- blk = offset >> sb->s_blocksize_bits;
-
- bh = ocfs2_bread(orphan_dir_inode, blk, &status, 0);
- if (!bh)
- status = -EINVAL;
- if (status < 0) {
- if (bh)
- brelse(bh);
- mlog_errno(status);
- goto out_unlock;
- }
-
- local = 0;
- while(offset < i_size_read(orphan_dir_inode)
- && local < sb->s_blocksize) {
- de = (struct ocfs2_dir_entry *) (bh->b_data + local);
-
- if (!ocfs2_check_dir_entry(orphan_dir_inode,
- de, bh, local)) {
- status = -EINVAL;
- mlog_errno(status);
- brelse(bh);
- goto out_unlock;
- }
-
- local += le16_to_cpu(de->rec_len);
- offset += le16_to_cpu(de->rec_len);
-
- /* I guess we silently fail on no inode? */
- if (!le64_to_cpu(de->inode))
- continue;
- if (de->file_type > OCFS2_FT_MAX) {
- mlog(ML_ERROR,
- "block %llu contains invalid de: "
- "inode = %llu, rec_len = %u, "
- "name_len = %u, file_type = %u, "
- "name='%.*s'\n",
- (unsigned long long)bh->b_blocknr,
- (unsigned long long)le64_to_cpu(de->inode),
- le16_to_cpu(de->rec_len),
- de->name_len,
- de->file_type,
- de->name_len,
- de->name);
- continue;
- }
- if (de->name_len == 1 && !strncmp(".", de->name, 1))
- continue;
- if (de->name_len == 2 && !strncmp("..", de->name, 2))
- continue;
-
- iter = ocfs2_iget(osb, le64_to_cpu(de->inode),
- OCFS2_FI_FLAG_ORPHAN_RECOVERY);
- if (IS_ERR(iter))
- continue;
-
- mlog(0, "queue orphan %llu\n",
- (unsigned long long)OCFS2_I(iter)->ip_blkno);
- /* No locking is required for the next_orphan
- * queue as there is only ever a single
- * process doing orphan recovery. */
- OCFS2_I(iter)->ip_next_orphan = *head;
- *head = iter;
- }
- brelse(bh);
+ status = ocfs2_dir_foreach(orphan_dir_inode, &pos, &priv,
+ ocfs2_orphan_filldir);
+ if (status) {
+ mlog_errno(status);
+ goto out;
}
-out_unlock:
+ *head = priv.head;
+
ocfs2_meta_unlock(orphan_dir_inode, 0);
out:
mutex_unlock(&orphan_dir_inode->i_mutex);