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exofs: super_operations and file_system_type

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This patch ties all operation vectors into a file system superblock
and registers the exofs file_system_type at module's load time.

* The file system control block (AKA on-disk superblock) resides in
  an object with a special ID (defined in common.h).
  Information included in the file system control block is used to
  fill the in-memory superblock structure at mount time. This object
  is created before the file system is used by mkexofs.c It contains
  information such as:
	- The file system's magic number
	- The next inode number to be allocated

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
This commit is contained in:
Boaz Harrosh
2008-10-28 16:11:41 +02:00
parent e6af00f1d1
commit ba9e5e98ca
4 changed files with 720 additions and 1 deletions
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2
fs/exofs/exofs.h
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@@ -140,6 +140,8 @@ int exofs_write_begin(struct file *file, struct address_space *mapping,
struct page **pagep, void **fsdata);
extern struct inode *exofs_iget(struct super_block *, unsigned long);
struct inode *exofs_new_inode(struct inode *, int);
extern int exofs_write_inode(struct inode *, int);
extern void exofs_delete_inode(struct inode *);
/* dir.c: */
int exofs_add_link(struct dentry *, struct inode *);