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ext4: Set journal pointer to NULL when journal is released 

Set sbi->s_journal to NULL after we call journal_destroy(). This
will be later needed because after journal_destroy() is called,
ext4_clear_inode() can still be called for some inodes (e.g. root
inode) and we'll need to detect there that journal doesn't exists
anymore.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Jan Kara 2008-07-11 19:27:31 -04:00 committed by Theodore Ts'o
parent 0703143107
commit 47b4a50beb
1 changed files with 2 additions and 0 deletions
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2
fs/ext4/super.c
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@ -506,6 +506,7 @@ static void ext4_put_super (struct super_block * sb)
ext4_ext_release(sb);
ext4_xattr_put_super(sb);
jbd2_journal_destroy(sbi->s_journal);
sbi->s_journal = NULL;
if (!(sb->s_flags & MS_RDONLY)) {
EXT4_CLEAR_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER);
es->s_state = cpu_to_le16(sbi->s_mount_state);
@ -2423,6 +2424,7 @@ cantfind_ext4:
failed_mount4:
jbd2_journal_destroy(sbi->s_journal);
sbi->s_journal = NULL;
failed_mount3:
percpu_counter_destroy(&sbi->s_freeblocks_counter);
percpu_counter_destroy(&sbi->s_freeinodes_counter);