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-rw-r--r--fs/Makefile6
-rw-r--r--fs/ext4/balloc.c4
-rw-r--r--fs/ext4/inode.c2
-rw-r--r--fs/ext4/super.c1
4 files changed, 8 insertions, 5 deletions
diff --git a/fs/Makefile b/fs/Makefile
index 38bc735c67a..dc20db34867 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -69,10 +69,12 @@ obj-$(CONFIG_DLM) += dlm/
# Do not add any filesystems before this line
obj-$(CONFIG_REISERFS_FS) += reiserfs/
obj-$(CONFIG_EXT3_FS) += ext3/ # Before ext2 so root fs can be ext3
-obj-$(CONFIG_EXT4_FS) += ext4/ # Before ext2 so root fs can be ext4
+obj-$(CONFIG_EXT2_FS) += ext2/
+# We place ext4 after ext2 so plain ext2 root fs's are mounted using ext2
+# unless explicitly requested by rootfstype
+obj-$(CONFIG_EXT4_FS) += ext4/
obj-$(CONFIG_JBD) += jbd/
obj-$(CONFIG_JBD2) += jbd2/
-obj-$(CONFIG_EXT2_FS) += ext2/
obj-$(CONFIG_CRAMFS) += cramfs/
obj-$(CONFIG_SQUASHFS) += squashfs/
obj-y += ramfs/
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 9a50b8052dc..de9459b4cb9 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -609,7 +609,9 @@ int ext4_claim_free_blocks(struct ext4_sb_info *sbi,
*/
int ext4_should_retry_alloc(struct super_block *sb, int *retries)
{
- if (!ext4_has_free_blocks(EXT4_SB(sb), 1) || (*retries)++ > 3)
+ if (!ext4_has_free_blocks(EXT4_SB(sb), 1) ||
+ (*retries)++ > 3 ||
+ !EXT4_SB(sb)->s_journal)
return 0;
jbd_debug(1, "%s: retrying operation after ENOSPC\n", sb->s_id);
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 51cdd13e1c3..c7fed5b1874 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2544,7 +2544,7 @@ retry:
ext4_journal_stop(handle);
- if (mpd.retval == -ENOSPC) {
+ if ((mpd.retval == -ENOSPC) && sbi->s_journal) {
/* commit the transaction which would
* free blocks released in the transaction
* and try again
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index a5732c58f67..39d1993cfa1 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3091,7 +3091,6 @@ static int ext4_freeze(struct super_block *sb)
/* Journal blocked and flushed, clear needs_recovery flag. */
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
- ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
error = ext4_commit_super(sb, EXT4_SB(sb)->s_es, 1);
if (error)
goto out;