int (*show_options)(struct seq_file *, struct dentry *);
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);
- int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
locking rules:
All may block [not true, see below]
show_options: no (namespace_sem)
quota_read: no (see below)
quota_write: no (see below)
-bdev_try_to_free_page: no (see below)
====================== ============ ========================
->statfs() has s_umount (shared) when called by ustat(2) (native or
writes to quota files with quotas on). For other details about locking
see also dquot_operations section.
-->bdev_try_to_free_page is called from the ->releasepage handler of
-the block device inode. See there for more details.
-
file_system_type
================