Merge commit 'gcl/gcl-next'

[linux-2.6] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index c6455dadb21bcde812f97046e5996f5b82c5c437..4b86f806014c5e8a82f0664f3e5c9acad0c2d0d0 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -918,12 +918,12 @@ struct file_lock {
        struct list_head fl_link;       /* doubly linked list of all locks */
        struct list_head fl_block;      /* circular list of blocked processes */
        fl_owner_t fl_owner;
+       unsigned char fl_flags;
+       unsigned char fl_type;
        unsigned int fl_pid;
        struct pid *fl_nspid;
        wait_queue_head_t fl_wait;
        struct file *fl_file;
-       unsigned char fl_flags;
-       unsigned char fl_type;
        loff_t fl_start;
        loff_t fl_end;
 
@@ -1025,6 +1025,7 @@ extern int send_sigurg(struct fown_struct *fown);
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
 
+#define sb_entry(list)  list_entry((list), struct super_block, s_list)
 #define S_BIAS (1<<30)
 struct super_block {
        struct list_head        s_list;         /* Keep this first */
@@ -1058,6 +1059,9 @@ struct super_block {
        struct list_head        s_more_io;      /* parked for more writeback */
        struct hlist_head       s_anon;         /* anonymous dentries for (nfs) exporting */
        struct list_head        s_files;
+       /* s_dentry_lru and s_nr_dentry_unused are protected by dcache_lock */
+       struct list_head        s_dentry_lru;   /* unused dentry lru */
+       int                     s_nr_dentry_unused;     /* # of dentry on lru */
 
        struct block_device     *s_bdev;
        struct mtd_info         *s_mtd;
@@ -1773,8 +1777,9 @@ static inline void allow_write_access(struct file *file)
                atomic_inc(&file->f_path.dentry->d_inode->i_writecount);
 }
 extern int do_pipe(int *);
-extern struct file *create_read_pipe(struct file *f);
-extern struct file *create_write_pipe(void);
+extern int do_pipe_flags(int *, int);
+extern struct file *create_read_pipe(struct file *f, int flags);
+extern struct file *create_write_pipe(int flags);
 extern void free_write_pipe(struct file *);
 
 extern struct file *do_filp_open(int dfd, const char *pathname,
@@ -2006,8 +2011,6 @@ extern void simple_release_fs(struct vfsmount **mount, int *count);
 
 extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
                        loff_t *ppos, const void *from, size_t available);
-extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
-                       const void *from, size_t available);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,