fs/ext4/super.c

1588 static int ext4_write_dquot(struct dquot *dquot);
1589 static int ext4_acquire_dquot(struct dquot *dquot);
1590 static int ext4_release_dquot(struct dquot *dquot);
1591 static int ext4_mark_dquot_dirty(struct dquot *dquot);
1602 static struct dquot __rcu **ext4_get_dquots(struct inode *inode)
6761 	struct dquot *dquot;
6766 	dquot = dqget(sb, qid);
6767 	if (IS_ERR(dquot))
6768 		return PTR_ERR(dquot);
6769 	spin_lock(&dquot->dq_dqb_lock);
6771 	limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit,
6772 			     dquot->dq_dqb.dqb_bhardlimit);
6776 		curblock = (dquot->dq_dqb.dqb_curspace +
6777 			    dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
6784 	limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit,
6785 			     dquot->dq_dqb.dqb_ihardlimit);
6789 			(buf->f_files > dquot->dq_dqb.dqb_curinodes) ?
6790 			 (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
6793 	spin_unlock(&dquot->dq_dqb_lock);
6794 	dqput(dquot);
6842 static inline struct inode *dquot_to_inode(struct dquot *dquot)
6844 	return sb_dqopt(dquot->dq_sb)->files[dquot->dq_id.type];
6847 static int ext4_write_dquot(struct dquot *dquot)
6853 	inode = dquot_to_inode(dquot);
6855 				    EXT4_QUOTA_TRANS_BLOCKS(dquot->dq_sb));
6858 	ret = dquot_commit(dquot);
6860 		ext4_error_err(dquot->dq_sb, -ret,
6861 			       "Failed to commit dquot type %d",
6862 			       dquot->dq_id.type);
6869 static int ext4_acquire_dquot(struct dquot *dquot)
6874 	handle = ext4_journal_start(dquot_to_inode(dquot), EXT4_HT_QUOTA,
6875 				    EXT4_QUOTA_INIT_BLOCKS(dquot->dq_sb));
6878 	ret = dquot_acquire(dquot);
6880 		ext4_error_err(dquot->dq_sb, -ret,
6881 			      "Failed to acquire dquot type %d",
6882 			      dquot->dq_id.type);
6889 static int ext4_release_dquot(struct dquot *dquot)
6894 	handle = ext4_journal_start(dquot_to_inode(dquot), EXT4_HT_QUOTA,
6895 				    EXT4_QUOTA_DEL_BLOCKS(dquot->dq_sb));
6897 		/* Release dquot anyway to avoid endless cycle in dqput() */
6898 		dquot_release(dquot);
6901 	ret = dquot_release(dquot);
6903 		ext4_error_err(dquot->dq_sb, -ret,
6904 			       "Failed to release dquot type %d",
6905 			       dquot->dq_id.type);
6912 static int ext4_mark_dquot_dirty(struct dquot *dquot)
6914 	struct super_block *sb = dquot->dq_sb;
6917 		dquot_mark_dquot_dirty(dquot);
6918 		return ext4_write_dquot(dquot);
6920 		return dquot_mark_dquot_dirty(dquot);