From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 17 Jun 2009 03:59:37 +0000 (-0400)
Subject: get rid of BKL in fs/sysv
X-Git-Tag: firefly_0821_release~13882^2
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5ac3455a843d2ca77333c954eea83aa4514c8199;p=firefly-linux-kernel-4.4.55.git

get rid of BKL in fs/sysv

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index c7798079e644..4e50286a4cc3 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -15,13 +15,13 @@
 
 #include <linux/pagemap.h>
 #include <linux/highmem.h>
-#include <linux/smp_lock.h>
 #include <linux/swap.h>
 #include "sysv.h"
 
 static int sysv_readdir(struct file *, void *, filldir_t);
 
 const struct file_operations sysv_dir_operations = {
+	.llseek		= generic_file_llseek,
 	.read		= generic_read_dir,
 	.readdir	= sysv_readdir,
 	.fsync		= simple_fsync,
@@ -74,8 +74,6 @@ static int sysv_readdir(struct file * filp, void * dirent, filldir_t filldir)
 	unsigned long n = pos >> PAGE_CACHE_SHIFT;
 	unsigned long npages = dir_pages(inode);
 
-	lock_kernel();
-
 	pos = (pos + SYSV_DIRSIZE-1) & ~(SYSV_DIRSIZE-1);
 	if (pos >= inode->i_size)
 		goto done;
@@ -113,7 +111,6 @@ static int sysv_readdir(struct file * filp, void * dirent, filldir_t filldir)
 
 done:
 	filp->f_pos = ((loff_t)n << PAGE_CACHE_SHIFT) | offset;
-	unlock_kernel();
 	return 0;
 }
 
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 479923456a54..9824743832a7 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -21,7 +21,6 @@
  *  the superblock.
  */
 
-#include <linux/smp_lock.h>
 #include <linux/highuid.h>
 #include <linux/slab.h>
 #include <linux/init.h>
@@ -37,7 +36,6 @@ static int sysv_sync_fs(struct super_block *sb, int wait)
 	unsigned long time = get_seconds(), old_time;
 
 	lock_super(sb);
-	lock_kernel();
 
 	/*
 	 * If we are going to write out the super block,
@@ -52,7 +50,6 @@ static int sysv_sync_fs(struct super_block *sb, int wait)
 		mark_buffer_dirty(sbi->s_bh2);
 	}
 
-	unlock_kernel();
 	unlock_super(sb);
 
 	return 0;
@@ -82,8 +79,6 @@ static void sysv_put_super(struct super_block *sb)
 {
 	struct sysv_sb_info *sbi = SYSV_SB(sb);
 
-	lock_kernel();
-
 	if (sb->s_dirt)
 		sysv_write_super(sb);
 
@@ -99,8 +94,6 @@ static void sysv_put_super(struct super_block *sb)
 		brelse(sbi->s_bh2);
 
 	kfree(sbi);
-
-	unlock_kernel();
 }
 
 static int sysv_statfs(struct dentry *dentry, struct kstatfs *buf)
@@ -275,7 +268,6 @@ int sysv_write_inode(struct inode *inode, int wait)
 		return -EIO;
 	}
 
-	lock_kernel();
 	raw_inode->i_mode = cpu_to_fs16(sbi, inode->i_mode);
 	raw_inode->i_uid = cpu_to_fs16(sbi, fs_high2lowuid(inode->i_uid));
 	raw_inode->i_gid = cpu_to_fs16(sbi, fs_high2lowgid(inode->i_gid));
@@ -291,7 +283,6 @@ int sysv_write_inode(struct inode *inode, int wait)
 	for (block = 0; block < 10+1+1+1; block++)
 		write3byte(sbi, (u8 *)&si->i_data[block],
 			&raw_inode->i_data[3*block]);
-	unlock_kernel();
 	mark_buffer_dirty(bh);
 	if (wait) {
                 sync_dirty_buffer(bh);
@@ -315,9 +306,7 @@ static void sysv_delete_inode(struct inode *inode)
 	truncate_inode_pages(&inode->i_data, 0);
 	inode->i_size = 0;
 	sysv_truncate(inode);
-	lock_kernel();
 	sysv_free_inode(inode);
-	unlock_kernel();
 }
 
 static struct kmem_cache *sysv_inode_cachep;