Merge tag 'stable/for-linus-3.5-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel...

[firefly-linux-kernel-4.4.55.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 57fc70574d20688caa4d3c23102bbf0f0af16c4f..17fd887c798f3fff64aaf27bf82a81a2d237ee31 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -173,6 +173,15 @@ struct inodes_stat_t {
 #define WRITE_FUA              (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA)
 #define WRITE_FLUSH_FUA                (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA)
 
+
+/*
+ * Flag for rw_copy_check_uvector and compat_rw_copy_check_uvector
+ * that indicates that they should check the contents of the iovec are
+ * valid, but not check the memory that the iovec elements
+ * points too.
+ */
+#define CHECK_IOVEC_ONLY -1
+
 #define SEL_IN         1
 #define SEL_OUT                2
 #define SEL_EX         4
@@ -793,13 +802,14 @@ struct inode {
                unsigned int __i_nlink;
        };
        dev_t                   i_rdev;
+       loff_t                  i_size;
        struct timespec         i_atime;
        struct timespec         i_mtime;
        struct timespec         i_ctime;
        spinlock_t              i_lock; /* i_blocks, i_bytes, maybe i_size */
        unsigned short          i_bytes;
+       unsigned int            i_blkbits;
        blkcnt_t                i_blocks;
-       loff_t                  i_size;
 
 #ifdef __NEED_I_SIZE_ORDERED
        seqcount_t              i_size_seqcount;
@@ -819,9 +829,8 @@ struct inode {
                struct list_head        i_dentry;
                struct rcu_head         i_rcu;
        };
-       atomic_t                i_count;
-       unsigned int            i_blkbits;
        u64                     i_version;
+       atomic_t                i_count;
        atomic_t                i_dio_count;
        atomic_t                i_writecount;
        const struct file_operations    *i_fop; /* former ->i_op->default_file_ops */
@@ -1681,7 +1690,6 @@ struct inode_operations {
        ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
        ssize_t (*listxattr) (struct dentry *, char *, size_t);
        int (*removexattr) (struct dentry *, const char *);
-       void (*truncate_range)(struct inode *, loff_t, loff_t);
        int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
                      u64 len);
        int (*update_time)(struct inode *, struct timespec *, int);
@@ -1692,8 +1700,7 @@ struct seq_file;
 ssize_t rw_copy_check_uvector(int type, const struct iovec __user * uvector,
                              unsigned long nr_segs, unsigned long fast_segs,
                              struct iovec *fast_pointer,
-                             struct iovec **ret_pointer,
-                             int check_access);
+                             struct iovec **ret_pointer);
 
 extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *);
 extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *);
@@ -2462,8 +2469,6 @@ enum {
 };
 
 void dio_end_io(struct bio *bio, int error);
-void inode_dio_wait(struct inode *inode);
-void inode_dio_done(struct inode *inode);
 
 ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
        struct block_device *bdev, const struct iovec *iov, loff_t offset,
@@ -2478,12 +2483,11 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb,
                                    offset, nr_segs, get_block, NULL, NULL,
                                    DIO_LOCKING | DIO_SKIP_HOLES);
 }
-#else
-static inline void inode_dio_wait(struct inode *inode)
-{
-}
 #endif
 
+void inode_dio_wait(struct inode *inode);
+void inode_dio_done(struct inode *inode);
+
 extern const struct file_operations generic_ro_fops;
 
 #define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))