#include <linux/magic.h>
-/*
- * Enable debugging support for nfs client.
- * Requires RPC_DEBUG.
- */
-#ifdef RPC_DEBUG
-# define NFS_DEBUG
-#endif
-
/* Default timeout values */
#define NFS_MAX_UDP_TIMEOUT (60*HZ)
#define NFS_MAX_TCP_TIMEOUT (600*HZ)
#define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */
#define FLUSH_NOCOMMIT 32 /* Don't send the NFSv3/v4 COMMIT */
#define FLUSH_INVALIDATE 64 /* Invalidate the page cache */
+#define FLUSH_NOWRITEPAGE 128 /* Don't call writepage() */
#ifdef __KERNEL__
#include <linux/in.h>
+#include <linux/kref.h>
#include <linux/mm.h>
+#include <linux/namei.h>
#include <linux/pagemap.h>
#include <linux/rbtree.h>
#include <linux/rwsem.h>
struct nfs4_state;
struct nfs_open_context {
- atomic_t count;
- struct vfsmount *vfsmnt;
- struct dentry *dentry;
+ struct kref kref;
+ struct path path;
struct rpc_cred *cred;
struct nfs4_state *state;
fl_owner_t lockowner;
/*
* This is the list of dirty unwritten pages.
*/
- spinlock_t req_lock;
- struct list_head dirty;
- struct list_head commit;
struct radix_tree_root nfs_page_tree;
- unsigned int ndirty,
- ncommit,
+ unsigned long ncommit,
npages;
/* Open contexts for shared mmap writes */
#define NFS_INO_INVALID_ACCESS 0x0008 /* cached access cred invalid */
#define NFS_INO_INVALID_ACL 0x0010 /* cached acls are invalid */
#define NFS_INO_REVAL_PAGECACHE 0x0020 /* must revalidate pagecache */
+#define NFS_INO_REVAL_FORCED 0x0040 /* force revalidation ignoring a delegation */
/*
* Bit offsets in flags field
extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping);
+extern int nfs_revalidate_mapping_nolock(struct inode *inode, struct address_space *mapping);
extern int nfs_setattr(struct dentry *, struct iattr *);
extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
extern void nfs_begin_attr_update(struct inode *);
/*
* linux/fs/nfs/file.c
*/
-extern struct inode_operations nfs_file_inode_operations;
+extern const struct inode_operations nfs_file_inode_operations;
#ifdef CONFIG_NFS_V3
-extern struct inode_operations nfs3_file_inode_operations;
+extern const struct inode_operations nfs3_file_inode_operations;
#endif /* CONFIG_NFS_V3 */
extern const struct file_operations nfs_file_operations;
extern const struct address_space_operations nfs_file_aops;
/*
* linux/fs/nfs/dir.c
*/
-extern struct inode_operations nfs_dir_inode_operations;
+extern const struct inode_operations nfs_dir_inode_operations;
#ifdef CONFIG_NFS_V3
-extern struct inode_operations nfs3_dir_inode_operations;
+extern const struct inode_operations nfs3_dir_inode_operations;
#endif /* CONFIG_NFS_V3 */
extern const struct file_operations nfs_dir_operations;
extern struct dentry_operations nfs_dentry_operations;
/*
* linux/fs/nfs/symlink.c
*/
-extern struct inode_operations nfs_symlink_inode_operations;
+extern const struct inode_operations nfs_symlink_inode_operations;
/*
* linux/fs/nfs/sysctl.c
* linux/fs/nfs/namespace.c
*/
extern struct list_head nfs_automount_list;
-extern struct inode_operations nfs_mountpoint_inode_operations;
-extern struct inode_operations nfs_referral_inode_operations;
+extern const struct inode_operations nfs_mountpoint_inode_operations;
+extern const struct inode_operations nfs_referral_inode_operations;
extern int nfs_mountpoint_expiry_timeout;
extern void nfs_release_automount_timer(void);
/*
* linux/fs/nfs/unlink.c
*/
-extern int nfs_async_unlink(struct dentry *);
-extern void nfs_complete_unlink(struct dentry *);
+extern int nfs_async_unlink(struct inode *dir, struct dentry *dentry);
+extern void nfs_complete_unlink(struct dentry *dentry, struct inode *);
/*
* linux/fs/nfs/write.c
*/
+extern int nfs_congestion_kb;
extern int nfs_writepage(struct page *page, struct writeback_control *wbc);
extern int nfs_writepages(struct address_space *, struct writeback_control *);
extern int nfs_flush_incompatible(struct file *file, struct page *page);
extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned int);
extern int nfs_writeback_done(struct rpc_task *, struct nfs_write_data *);
extern void nfs_writedata_release(void *);
+extern int nfs_set_page_dirty(struct page *);
/*
* Try to write back everything synchronously (but check the
* return value!)
*/
-extern long nfs_sync_inode_wait(struct inode *, unsigned long, unsigned int, int);
+extern long nfs_sync_mapping_wait(struct address_space *, struct writeback_control *, int);
+extern int nfs_sync_mapping_range(struct address_space *, loff_t, loff_t, int);
+extern int nfs_wb_all(struct inode *inode);
+extern int nfs_wb_page(struct inode *inode, struct page* page);
+extern int nfs_wb_page_priority(struct inode *inode, struct page* page, int how);
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
extern int nfs_commit_inode(struct inode *, int);
extern struct nfs_write_data *nfs_commit_alloc(void);
return NFS_I(inode)->npages != 0;
}
-static inline int
-nfs_wb_all(struct inode *inode)
-{
- int error = nfs_sync_inode_wait(inode, 0, 0, 0);
- return (error < 0) ? error : 0;
-}
-
-/*
- * Write back all requests on one page - we do this before reading it.
- */
-static inline int nfs_wb_page_priority(struct inode *inode, struct page* page, int how)
-{
- int error = nfs_sync_inode_wait(inode, page->index, 1,
- how | FLUSH_STABLE);
- return (error < 0) ? error : 0;
-}
-
-static inline int nfs_wb_page(struct inode *inode, struct page* page)
-{
- return nfs_wb_page_priority(inode, page, 0);
-}
-
/*
* Allocate nfs_write_data structures
*/
-extern struct nfs_write_data *nfs_writedata_alloc(size_t len);
+extern struct nfs_write_data *nfs_writedata_alloc(unsigned int npages);
/*
* linux/fs/nfs/read.c
/*
* Allocate nfs_read_data structures
*/
-extern struct nfs_read_data *nfs_readdata_alloc(size_t len);
+extern struct nfs_read_data *nfs_readdata_alloc(unsigned int npages);
/*
* linux/fs/nfs3proc.c
/*
* linux/fs/mount_clnt.c
- * (Used only by nfsroot module)
*/
-extern int nfsroot_mount(struct sockaddr_in *, char *, struct nfs_fh *,
- int, int);
+extern int nfs_mount(struct sockaddr *, size_t, char *, char *,
+ int, int, struct nfs_fh *);
/*
* inline functions
*/
-static inline loff_t
-nfs_size_to_loff_t(__u64 size)
+static inline loff_t nfs_size_to_loff_t(__u64 size)
{
- loff_t maxsz = (((loff_t) ULONG_MAX) << PAGE_CACHE_SHIFT) + PAGE_CACHE_SIZE - 1;
- if (size > maxsz)
- return maxsz;
+ if (size > (__u64) OFFSET_MAX - 1)
+ return OFFSET_MAX - 1;
return (loff_t) size;
}
#define NFSDBG_ROOT 0x0080
#define NFSDBG_CALLBACK 0x0100
#define NFSDBG_CLIENT 0x0200
+#define NFSDBG_MOUNT 0x0400
#define NFSDBG_ALL 0xFFFF
#ifdef __KERNEL__
+
+/*
+ * Enable debugging support for nfs client.
+ * Requires RPC_DEBUG.
+ */
+#ifdef RPC_DEBUG
+# define NFS_DEBUG
+#endif
+
# undef ifdebug
# ifdef NFS_DEBUG
# define ifdebug(fac) if (unlikely(nfs_debug & NFSDBG_##fac))
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