quota: Use function to provide i_dquot pointers

[firefly-linux-kernel-4.4.55.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 01036262095fbbb0b0f6eb80cd3566123e04a50f..8c093ad4952216485392d1b249df4bef185ebf88 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1224,6 +1224,7 @@ struct super_block {
        struct backing_dev_info *s_bdi;
        struct mtd_info         *s_mtd;
        struct hlist_node       s_instances;
+       unsigned int            s_quota_types;  /* Bitmask of supported quota types */
        struct quota_info       s_dquot;        /* Diskquota specific options */
 
        struct sb_writers       s_writers;
@@ -1590,6 +1591,7 @@ struct super_operations {
 #ifdef CONFIG_QUOTA
        ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t);
        ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
+       struct dquot **(*get_dquots)(struct inode *);
 #endif
        int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
        long (*nr_cached_objects)(struct super_block *, int);
@@ -2469,6 +2471,7 @@ extern ssize_t new_sync_read(struct file *filp, char __user *buf, size_t len, lo
 extern ssize_t new_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos);
 
 /* fs/block_dev.c */
+extern ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to);
 extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from);
 extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end,
                        int datasync);