Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4

Pull ext4 updates from Ted Ts'o:
 "Miscellaneous ext4 cleanups and bug fixes. Pretty boring this cycle..."

* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
  ext4: add .kunitconfig fragment to enable ext4-specific tests
  ext: EXT4_KUNIT_TESTS should depend on EXT4_FS instead of selecting it
  ext4: reset retry counter when ext4_alloc_file_blocks() makes progress
  ext4: fix potential htree index checksum corruption
  ext4: factor out htree rep invariant check
  ext4: Change list_for_each* to list_for_each_entry*
  ext4: don't try to processed freed blocks until mballoc is initialized
  ext4: use DEFINE_MUTEX() for mutex lock

1 files changed, 11 insertions, 18 deletions

diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
index 6e8208acfc62..6c4f19b0a556 100644
--- a/fs/ext4/fast_commit.c
+++ b/fs/ext4/fast_commit.c
@@ -915,13 +915,11 @@ static int ext4_fc_submit_inode_data_all(journal_t *journal)
 	struct super_block *sb = (struct super_block *)(journal->j_private);
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_inode_info *ei;
-	struct list_head *pos;
 	int ret = 0;
 
 	spin_lock(&sbi->s_fc_lock);
 	ext4_set_mount_flag(sb, EXT4_MF_FC_COMMITTING);
-	list_for_each(pos, &sbi->s_fc_q[FC_Q_MAIN]) {
-		ei = list_entry(pos, struct ext4_inode_info, i_fc_list);
+	list_for_each_entry(ei, &sbi->s_fc_q[FC_Q_MAIN], i_fc_list) {
 		ext4_set_inode_state(&ei->vfs_inode, EXT4_STATE_FC_COMMITTING);
 		while (atomic_read(&ei->i_fc_updates)) {
 			DEFINE_WAIT(wait);
@@ -978,17 +976,15 @@ __releases(&sbi->s_fc_lock)
 {
 	struct super_block *sb = (struct super_block *)(journal->j_private);
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
-	struct ext4_fc_dentry_update *fc_dentry;
+	struct ext4_fc_dentry_update *fc_dentry, *fc_dentry_n;
 	struct inode *inode;
-	struct list_head *pos, *n, *fcd_pos, *fcd_n;
-	struct ext4_inode_info *ei;
+	struct ext4_inode_info *ei, *ei_n;
 	int ret;
 
 	if (list_empty(&sbi->s_fc_dentry_q[FC_Q_MAIN]))
 		return 0;
-	list_for_each_safe(fcd_pos, fcd_n, &sbi->s_fc_dentry_q[FC_Q_MAIN]) {
-		fc_dentry = list_entry(fcd_pos, struct ext4_fc_dentry_update,
-					fcd_list);
+	list_for_each_entry_safe(fc_dentry, fc_dentry_n,
+				 &sbi->s_fc_dentry_q[FC_Q_MAIN], fcd_list) {
 		if (fc_dentry->fcd_op != EXT4_FC_TAG_CREAT) {
 			spin_unlock(&sbi->s_fc_lock);
 			if (!ext4_fc_add_dentry_tlv(
@@ -1004,8 +1000,8 @@ __releases(&sbi->s_fc_lock)
 		}
 
 		inode = NULL;
-		list_for_each_safe(pos, n, &sbi->s_fc_q[FC_Q_MAIN]) {
-			ei = list_entry(pos, struct ext4_inode_info, i_fc_list);
+		list_for_each_entry_safe(ei, ei_n, &sbi->s_fc_q[FC_Q_MAIN],
+					 i_fc_list) {
 			if (ei->vfs_inode.i_ino == fc_dentry->fcd_ino) {
 				inode = &ei->vfs_inode;
 				break;
@@ -1057,7 +1053,6 @@ static int ext4_fc_perform_commit(journal_t *journal)
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 	struct ext4_inode_info *iter;
 	struct ext4_fc_head head;
-	struct list_head *pos;
 	struct inode *inode;
 	struct blk_plug plug;
 	int ret = 0;
@@ -1099,8 +1094,7 @@ static int ext4_fc_perform_commit(journal_t *journal)
 		goto out;
 	}
 
-	list_for_each(pos, &sbi->s_fc_q[FC_Q_MAIN]) {
-		iter = list_entry(pos, struct ext4_inode_info, i_fc_list);
+	list_for_each_entry(iter, &sbi->s_fc_q[FC_Q_MAIN], i_fc_list) {
 		inode = &iter->vfs_inode;
 		if (!ext4_test_inode_state(inode, EXT4_STATE_FC_COMMITTING))
 			continue;
@@ -1226,9 +1220,8 @@ static void ext4_fc_cleanup(journal_t *journal, int full)
 {
 	struct super_block *sb = journal->j_private;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
-	struct ext4_inode_info *iter;
+	struct ext4_inode_info *iter, *iter_n;
 	struct ext4_fc_dentry_update *fc_dentry;
-	struct list_head *pos, *n;
 
 	if (full && sbi->s_fc_bh)
 		sbi->s_fc_bh = NULL;
@@ -1236,8 +1229,8 @@ static void ext4_fc_cleanup(journal_t *journal, int full)
 	jbd2_fc_release_bufs(journal);
 
 	spin_lock(&sbi->s_fc_lock);
-	list_for_each_safe(pos, n, &sbi->s_fc_q[FC_Q_MAIN]) {
-		iter = list_entry(pos, struct ext4_inode_info, i_fc_list);
+	list_for_each_entry_safe(iter, iter_n, &sbi->s_fc_q[FC_Q_MAIN],
+				 i_fc_list) {
 		list_del_init(&iter->i_fc_list);
 		ext4_clear_inode_state(&iter->vfs_inode,
 				       EXT4_STATE_FC_COMMITTING);