diff options
Diffstat (limited to 'include/linux/fs.h')
| -rw-r--r-- | include/linux/fs.h | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 67e6732d4fdc..7f61227827d7 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -9,6 +9,7 @@ #include <linux/config.h> #include <linux/limits.h> #include <linux/ioctl.h> +#include <linux/rcuref.h> /* * It's silly to have NR_OPEN bigger than NR_FILE, but you can change @@ -69,6 +70,7 @@ extern int dir_notify_enable; #define READ 0 #define WRITE 1 #define READA 2 /* read-ahead - don't block if no resources */ +#define SWRITE 3 /* for ll_rw_block() - wait for buffer lock */ #define SPECIAL 4 /* For non-blockdevice requests in request queue */ #define READ_SYNC (READ | (1 << BIO_RW_SYNC)) #define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNC)) @@ -281,19 +283,9 @@ struct iattr { struct timespec ia_atime; struct timespec ia_mtime; struct timespec ia_ctime; - unsigned int ia_attr_flags; }; /* - * This is the inode attributes flag definitions - */ -#define ATTR_FLAG_SYNCRONOUS 1 /* Syncronous write */ -#define ATTR_FLAG_NOATIME 2 /* Don't update atime */ -#define ATTR_FLAG_APPEND 4 /* Append-only file */ -#define ATTR_FLAG_IMMUTABLE 8 /* Immutable file */ -#define ATTR_FLAG_NODIRATIME 16 /* Don't update atime for directory */ - -/* * Includes for diskquotas. */ #include <linux/quota.h> @@ -594,7 +586,6 @@ struct file { unsigned int f_uid, f_gid; struct file_ra_state f_ra; - size_t f_maxcount; unsigned long f_version; void *f_security; @@ -607,12 +598,13 @@ struct file { spinlock_t f_ep_lock; #endif /* #ifdef CONFIG_EPOLL */ struct address_space *f_mapping; + struct rcu_head f_rcuhead; }; extern spinlock_t files_lock; #define file_list_lock() spin_lock(&files_lock); #define file_list_unlock() spin_unlock(&files_lock); -#define get_file(x) atomic_inc(&(x)->f_count) +#define get_file(x) rcuref_inc(&(x)->f_count) #define file_count(x) atomic_read(&(x)->f_count) #define MAX_NON_LFS ((1UL<<31) - 1) @@ -1291,6 +1283,7 @@ static inline int break_lease(struct inode *inode, unsigned int mode) /* fs/open.c */ extern int do_truncate(struct dentry *, loff_t start); +extern long do_sys_open(const char __user *filename, int flags, int mode); extern struct file *filp_open(const char *, int, int); extern struct file * dentry_open(struct dentry *, struct vfsmount *, int); extern int filp_close(struct file *, fl_owner_t id); |