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vfs: prefer ->dentry->d_sb to ->mnt->mnt_sb

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2011-12-07 18:16:57 -05:00
parent ece2ccb668
commit d8c9584ea2
14 changed files with 27 additions and 25 deletions
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6
fs/binfmt_misc.c
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@ -560,7 +560,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
break;
case 2: set_bit(Enabled, &e->flags);
break;
case 3: root = dget(file->f_path.mnt->mnt_sb->s_root);
case 3: root = dget(file->f_path.dentry->d_sb->s_root);
mutex_lock(&root->d_inode->i_mutex);
kill_node(e);
@ -587,7 +587,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer,
Node *e;
struct inode *inode;
struct dentry *root, *dentry;
struct super_block *sb = file->f_path.mnt->mnt_sb;
struct super_block *sb = file->f_path.dentry->d_sb;
int err = 0;
e = create_entry(buffer, count);
@ -666,7 +666,7 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer,
switch (res) {
case 1: enabled = 0; break;
case 2: enabled = 1; break;
case 3: root = dget(file->f_path.mnt->mnt_sb->s_root);
case 3: root = dget(file->f_path.dentry->d_sb->s_root);
mutex_lock(&root->d_inode->i_mutex);
while (!list_empty(&entries))