This is a note to let you know that I've just added the patch titled
ext4: rename journal_dev to s_journal_dev inside ext4_sb_info
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ext4-rename-journal_dev-to-s_journal_dev-inside-ext4.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 3bd0f51c74aa83f0950fc77f27154bab348db672
Author: Chunguang Xu <brookxu@xxxxxxxxxxx>
Date: Thu Sep 24 11:03:42 2020 +0800
ext4: rename journal_dev to s_journal_dev inside ext4_sb_info
[ Upstream commit ee7ed3aa0f08621dbf897d2a98dc6f2c7e7d0335 ]
Rename journal_dev to s_journal_dev inside ext4_sb_info, keep
the naming rules consistent with other variables, which is
convenient for code reading and writing.
Signed-off-by: Chunguang Xu <brookxu@xxxxxxxxxxx>
Reviewed-by: Andreas Dilger <adilger@xxxxxxxxx>
Reviewed-by: Ritesh Harjani <riteshh@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1600916623-544-1-git-send-email-brookxu@xxxxxxxxxxx
Signed-off-by: Theodore Ts'o <tytso@xxxxxxx>
Stable-dep-of: 26fb5290240d ("ext4: Fix reusing stale buffer heads from last failed mounting")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 9d86cf3a09bf7..604fef3b2ddf4 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1441,7 +1441,7 @@ struct ext4_sb_info {
unsigned long s_commit_interval;
u32 s_max_batch_time;
u32 s_min_batch_time;
- struct block_device *journal_bdev;
+ struct block_device *s_journal_bdev;
#ifdef CONFIG_QUOTA
/* Names of quota files with journalled quota */
char __rcu *s_qf_names[EXT4_MAXQUOTAS];
diff --git a/fs/ext4/fsmap.c b/fs/ext4/fsmap.c
index d1ef651948d7e..d18c4cd4c63ff 100644
--- a/fs/ext4/fsmap.c
+++ b/fs/ext4/fsmap.c
@@ -576,8 +576,8 @@ static bool ext4_getfsmap_is_valid_device(struct super_block *sb,
if (fm->fmr_device == 0 || fm->fmr_device == UINT_MAX ||
fm->fmr_device == new_encode_dev(sb->s_bdev->bd_dev))
return true;
- if (EXT4_SB(sb)->journal_bdev &&
- fm->fmr_device == new_encode_dev(EXT4_SB(sb)->journal_bdev->bd_dev))
+ if (EXT4_SB(sb)->s_journal_bdev &&
+ fm->fmr_device == new_encode_dev(EXT4_SB(sb)->s_journal_bdev->bd_dev))
return true;
return false;
}
@@ -647,9 +647,9 @@ int ext4_getfsmap(struct super_block *sb, struct ext4_fsmap_head *head,
memset(handlers, 0, sizeof(handlers));
handlers[0].gfd_dev = new_encode_dev(sb->s_bdev->bd_dev);
handlers[0].gfd_fn = ext4_getfsmap_datadev;
- if (EXT4_SB(sb)->journal_bdev) {
+ if (EXT4_SB(sb)->s_journal_bdev) {
handlers[1].gfd_dev = new_encode_dev(
- EXT4_SB(sb)->journal_bdev->bd_dev);
+ EXT4_SB(sb)->s_journal_bdev->bd_dev);
handlers[1].gfd_fn = ext4_getfsmap_logdev;
}
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 9bbd525086562..03b50cd1f4572 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -906,10 +906,10 @@ static void ext4_blkdev_put(struct block_device *bdev)
static void ext4_blkdev_remove(struct ext4_sb_info *sbi)
{
struct block_device *bdev;
- bdev = sbi->journal_bdev;
+ bdev = sbi->s_journal_bdev;
if (bdev) {
ext4_blkdev_put(bdev);
- sbi->journal_bdev = NULL;
+ sbi->s_journal_bdev = NULL;
}
}
@@ -1034,14 +1034,14 @@ static void ext4_put_super(struct super_block *sb)
sync_blockdev(sb->s_bdev);
invalidate_bdev(sb->s_bdev);
- if (sbi->journal_bdev && sbi->journal_bdev != sb->s_bdev) {
+ if (sbi->s_journal_bdev && sbi->s_journal_bdev != sb->s_bdev) {
/*
* Invalidate the journal device's buffers. We don't want them
* floating about in memory - the physical journal device may
* hotswapped, and it breaks the `ro-after' testing code.
*/
- sync_blockdev(sbi->journal_bdev);
- invalidate_bdev(sbi->journal_bdev);
+ sync_blockdev(sbi->s_journal_bdev);
+ invalidate_bdev(sbi->s_journal_bdev);
ext4_blkdev_remove(sbi);
}
@@ -3582,7 +3582,7 @@ int ext4_calculate_overhead(struct super_block *sb)
* Add the internal journal blocks whether the journal has been
* loaded or not
*/
- if (sbi->s_journal && !sbi->journal_bdev)
+ if (sbi->s_journal && !sbi->s_journal_bdev)
overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen);
else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) {
/* j_inum for internal journal is non-zero */
@@ -4952,7 +4952,7 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
be32_to_cpu(journal->j_superblock->s_nr_users));
goto out_journal;
}
- EXT4_SB(sb)->journal_bdev = bdev;
+ EXT4_SB(sb)->s_journal_bdev = bdev;
ext4_init_journal_params(sb, journal);
return journal;
