X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=fs%2Fread_write.c;h=4d03008f015b9ae6d2565cdbc179d034687c3d08;hb=5351fb106a84d6ac584c2501e3b335093d38a58c;hp=f792000a28e63179ce88fea9bbeba93f48b9dc94;hpb=e30fdb1e026c2d05f216d2e5a25bfafdfd261ec2;p=powerpc.git

diff --git a/fs/read_write.c b/fs/read_write.c
index f792000a28..4d03008f01 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -37,10 +37,10 @@ loff_t generic_file_llseek(struct file *file, loff_t offset, int origin)
 
 	mutex_lock(&inode->i_mutex);
 	switch (origin) {
-		case 2:
+		case SEEK_END:
 			offset += inode->i_size;
 			break;
-		case 1:
+		case SEEK_CUR:
 			offset += file->f_pos;
 	}
 	retval = -EINVAL;
@@ -63,14 +63,14 @@ loff_t remote_llseek(struct file *file, loff_t offset, int origin)
 
 	lock_kernel();
 	switch (origin) {
-		case 2:
-			offset += i_size_read(file->f_dentry->d_inode);
+		case SEEK_END:
+			offset += i_size_read(file->f_path.dentry->d_inode);
 			break;
-		case 1:
+		case SEEK_CUR:
 			offset += file->f_pos;
 	}
 	retval = -EINVAL;
-	if (offset>=0 && offset<=file->f_dentry->d_inode->i_sb->s_maxbytes) {
+	if (offset>=0 && offset<=file->f_path.dentry->d_inode->i_sb->s_maxbytes) {
 		if (offset != file->f_pos) {
 			file->f_pos = offset;
 			file->f_version = 0;
@@ -94,10 +94,10 @@ loff_t default_llseek(struct file *file, loff_t offset, int origin)
 
 	lock_kernel();
 	switch (origin) {
-		case 2:
-			offset += i_size_read(file->f_dentry->d_inode);
+		case SEEK_END:
+			offset += i_size_read(file->f_path.dentry->d_inode);
 			break;
-		case 1:
+		case SEEK_CUR:
 			offset += file->f_pos;
 	}
 	retval = -EINVAL;
@@ -139,7 +139,7 @@ asmlinkage off_t sys_lseek(unsigned int fd, off_t offset, unsigned int origin)
 		goto bad;
 
 	retval = -EINVAL;
-	if (origin <= 2) {
+	if (origin <= SEEK_MAX) {
 		loff_t res = vfs_llseek(file, offset, origin);
 		retval = res;
 		if (res != (loff_t)retval)
@@ -166,7 +166,7 @@ asmlinkage long sys_llseek(unsigned int fd, unsigned long offset_high,
 		goto bad;
 
 	retval = -EINVAL;
-	if (origin > 2)
+	if (origin > SEEK_MAX)
 		goto out_putf;
 
 	offset = vfs_llseek(file, ((loff_t) offset_high << 32) | offset_low,
@@ -197,13 +197,13 @@ int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count
 	struct inode *inode;
 	loff_t pos;
 
+	inode = file->f_path.dentry->d_inode;
 	if (unlikely((ssize_t) count < 0))
 		goto Einval;
 	pos = *ppos;
 	if (unlikely((pos < 0) || (loff_t) (pos + count) < 0))
 		goto Einval;
 
-	inode = file->f_dentry->d_inode;
 	if (unlikely(inode->i_flock && MANDATORY_LOCK(inode))) {
 		int retval = locks_mandatory_area(
 			read_write == READ ? FLOCK_VERIFY_READ : FLOCK_VERIFY_WRITE,
@@ -273,10 +273,10 @@ ssize_t vfs_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
 			else
 				ret = do_sync_read(file, buf, count, pos);
 			if (ret > 0) {
-				fsnotify_access(file->f_dentry);
-				current->rchar += ret;
+				fsnotify_access(file->f_path.dentry);
+				add_rchar(current, ret);
 			}
-			current->syscr++;
+			inc_syscr(current);
 		}
 	}
 
@@ -331,10 +331,10 @@ ssize_t vfs_write(struct file *file, const char __user *buf, size_t count, loff_
 			else
 				ret = do_sync_write(file, buf, count, pos);
 			if (ret > 0) {
-				fsnotify_modify(file->f_dentry);
-				current->wchar += ret;
+				fsnotify_modify(file->f_path.dentry);
+				add_wchar(current, ret);
 			}
-			current->syscw++;
+			inc_syscw(current);
 		}
 	}
 
@@ -450,8 +450,6 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to)
 	return seg;
 }
 
-EXPORT_UNUSED_SYMBOL(iov_shorten);  /*  June 2006  */
-
 ssize_t do_sync_readv_writev(struct file *filp, const struct iovec *iov,
 		unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn)
 {
@@ -628,9 +626,9 @@ out:
 		kfree(iov);
 	if ((ret + (type == READ)) > 0) {
 		if (type == READ)
-			fsnotify_access(file->f_dentry);
+			fsnotify_access(file->f_path.dentry);
 		else
-			fsnotify_modify(file->f_dentry);
+			fsnotify_modify(file->f_path.dentry);
 	}
 	return ret;
 }
@@ -677,8 +675,8 @@ sys_readv(unsigned long fd, const struct iovec __user *vec, unsigned long vlen)
 	}
 
 	if (ret > 0)
-		current->rchar += ret;
-	current->syscr++;
+		add_rchar(current, ret);
+	inc_syscr(current);
 	return ret;
 }
 
@@ -698,8 +696,8 @@ sys_writev(unsigned long fd, const struct iovec __user *vec, unsigned long vlen)
 	}
 
 	if (ret > 0)
-		current->wchar += ret;
-	current->syscw++;
+		add_wchar(current, ret);
+	inc_syscw(current);
 	return ret;
 }
 
@@ -722,7 +720,7 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
 	if (!(in_file->f_mode & FMODE_READ))
 		goto fput_in;
 	retval = -EINVAL;
-	in_inode = in_file->f_dentry->d_inode;
+	in_inode = in_file->f_path.dentry->d_inode;
 	if (!in_inode)
 		goto fput_in;
 	if (!in_file->f_op || !in_file->f_op->sendfile)
@@ -754,7 +752,7 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
 	retval = -EINVAL;
 	if (!out_file->f_op || !out_file->f_op->sendpage)
 		goto fput_out;
-	out_inode = out_file->f_dentry->d_inode;
+	out_inode = out_file->f_path.dentry->d_inode;
 	retval = rw_verify_area(WRITE, out_file, &out_file->f_pos, count);
 	if (retval < 0)
 		goto fput_out;
@@ -781,12 +779,12 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
 	retval = in_file->f_op->sendfile(in_file, ppos, count, file_send_actor, out_file);
 
 	if (retval > 0) {
-		current->rchar += retval;
-		current->wchar += retval;
+		add_rchar(current, retval);
+		add_wchar(current, retval);
 	}
-	current->syscr++;
-	current->syscw++;
 
+	inc_syscr(current);
+	inc_syscw(current);
 	if (*ppos > max)
 		retval = -EOVERFLOW;