On Fri 17-05-24 20:39:58, Zhang Yi wrote: > From: Zhang Yi <yi.zhang@xxxxxxxxxx> > > The per-inode i_reserved_data_blocks count the reserved delalloc blocks > in a regular file, it should be zero when destroying the file. The > per-fs s_dirtyclusters_counter count all reserved delalloc blocks in a > filesystem, it also should be zero when umounting the filesystem. Now we > have only an error message if the i_reserved_data_blocks is not zero, > which is unable to be simply captured, so add WARN_ON_ONCE to make it > more visable. > > Signed-off-by: Zhang Yi <yi.zhang@xxxxxxxxxx> Looks good. Feel free to add: Reviewed-by: Jan Kara <jack@xxxxxxx> Honza > --- > fs/ext4/super.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) > > diff --git a/fs/ext4/super.c b/fs/ext4/super.c > index 044135796f2b..b68064c877e3 100644 > --- a/fs/ext4/super.c > +++ b/fs/ext4/super.c > @@ -1343,6 +1343,9 @@ static void ext4_put_super(struct super_block *sb) > > ext4_group_desc_free(sbi); > ext4_flex_groups_free(sbi); > + > + WARN_ON_ONCE(!(sbi->s_mount_state & EXT4_ERROR_FS) && > + percpu_counter_sum(&sbi->s_dirtyclusters_counter)); > ext4_percpu_param_destroy(sbi); > #ifdef CONFIG_QUOTA > for (int i = 0; i < EXT4_MAXQUOTAS; i++) > @@ -1473,7 +1476,8 @@ static void ext4_destroy_inode(struct inode *inode) > dump_stack(); > } > > - if (EXT4_I(inode)->i_reserved_data_blocks) > + if (!(EXT4_SB(inode->i_sb)->s_mount_state & EXT4_ERROR_FS) && > + WARN_ON_ONCE(EXT4_I(inode)->i_reserved_data_blocks)) > ext4_msg(inode->i_sb, KERN_ERR, > "Inode %lu (%p): i_reserved_data_blocks (%u) not cleared!", > inode->i_ino, EXT4_I(inode), > -- > 2.39.2 > -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR
