error = -EOPNOTSUPP;
if (inode->i_op && inode->i_op->setxattr) {
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
security_inode_setxattr(dentry, key, buf, len, 0);
error = inode->i_op->setxattr(dentry, key, buf, len, 0);
if (!error)
security_inode_post_setxattr(dentry, key, buf, len, 0);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
}
out:
kfree(buf);
int err;
struct inode *inode = filp->f_dentry->d_inode;
dprintk("nfsd: sync file %s\n", filp->f_dentry->d_name.name);
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
err=nfsd_dosync(filp, filp->f_dentry, filp->f_op);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
return err;
}
return err;
}
+static void kill_suid(struct dentry *dentry)
+{
+ struct iattr ia;
+ ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
+
+ mutex_lock(&dentry->d_inode->i_mutex);
+ notify_change(dentry, &ia);
+ mutex_unlock(&dentry->d_inode->i_mutex);
+}
+
static inline int
nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
loff_t offset, struct kvec *vec, int vlen,
}
/* clear setuid/setgid flag after write */
- if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID))) {
- struct iattr ia;
- ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
-
- down(&inode->i_sem);
- notify_change(dentry, &ia);
- up(&inode->i_sem);
- }
+ if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID)))
+ kill_suid(dentry);
if (err >= 0 && stable) {
static ino_t last_ino;