x86: cleanup remaining cpumask_t code in mce_amd_64.c

[pandora-kernel.git] / fs / namei.c

diff --git a/fs/namei.c b/fs/namei.c
index dd5c9f0..f05bed2 100644 (file)
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -257,7 +257,7 @@ int inode_permission(struct inode *inode, int mask)
                        return -EACCES;
        }
 
-       if (inode->i_op && inode->i_op->permission)
+       if (inode->i_op->permission)
                retval = inode->i_op->permission(inode, mask);
        else
                retval = generic_permission(inode, mask, NULL);
@@ -432,7 +432,7 @@ static int exec_permission_lite(struct inode *inode)
 {
        umode_t mode = inode->i_mode;
 
-       if (inode->i_op && inode->i_op->permission)
+       if (inode->i_op->permission)
                return -EAGAIN;
 
        if (current_fsuid() == inode->i_uid)
@@ -908,9 +908,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd)
                inode = next.dentry->d_inode;
                if (!inode)
                        goto out_dput;
-               err = -ENOTDIR; 
-               if (!inode->i_op)
-                       goto out_dput;
 
                if (inode->i_op->follow_link) {
                        err = do_follow_link(&next, nd);
@@ -920,9 +917,6 @@ static int __link_path_walk(const char *name, struct nameidata *nd)
                        inode = nd->path.dentry->d_inode;
                        if (!inode)
                                break;
-                       err = -ENOTDIR; 
-                       if (!inode->i_op)
-                               break;
                } else
                        path_to_nameidata(&next, nd);
                err = -ENOTDIR; 
@@ -961,7 +955,7 @@ last_component:
                        break;
                inode = next.dentry->d_inode;
                if ((lookup_flags & LOOKUP_FOLLOW)
-                   && inode && inode->i_op && inode->i_op->follow_link) {
+                   && inode && inode->i_op->follow_link) {
                        err = do_follow_link(&next, nd);
                        if (err)
                                goto return_err;
@@ -973,7 +967,7 @@ last_component:
                        break;
                if (lookup_flags & LOOKUP_DIRECTORY) {
                        err = -ENOTDIR; 
-                       if (!inode->i_op || !inode->i_op->lookup)
+                       if (!inode->i_op->lookup)
                                break;
                }
                goto return_base;
@@ -1469,7 +1463,7 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode,
        if (error)
                return error;
 
-       if (!dir->i_op || !dir->i_op->create)
+       if (!dir->i_op->create)
                return -EACCES; /* shouldn't it be ENOSYS? */
        mode &= S_IALLUGO;
        mode |= S_IFREG;
@@ -1752,7 +1746,7 @@ do_last:
        error = -ENOENT;
        if (!path.dentry->d_inode)
                goto exit_dput;
-       if (path.dentry->d_inode->i_op && path.dentry->d_inode->i_op->follow_link)
+       if (path.dentry->d_inode->i_op->follow_link)
                goto do_link;
 
        path_to_nameidata(&path, &nd);
@@ -1933,7 +1927,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
        if ((S_ISCHR(mode) || S_ISBLK(mode)) && !capable(CAP_MKNOD))
                return -EPERM;
 
-       if (!dir->i_op || !dir->i_op->mknod)
+       if (!dir->i_op->mknod)
                return -EPERM;
 
        error = devcgroup_inode_mknod(mode, dev);
@@ -2035,7 +2029,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
        if (error)
                return error;
 
-       if (!dir->i_op || !dir->i_op->mkdir)
+       if (!dir->i_op->mkdir)
                return -EPERM;
 
        mode &= (S_IRWXUGO|S_ISVTX);
@@ -2126,7 +2120,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
        if (error)
                return error;
 
-       if (!dir->i_op || !dir->i_op->rmdir)
+       if (!dir->i_op->rmdir)
                return -EPERM;
 
        DQUOT_INIT(dir);
@@ -2213,7 +2207,7 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
        if (error)
                return error;
 
-       if (!dir->i_op || !dir->i_op->unlink)
+       if (!dir->i_op->unlink)
                return -EPERM;
 
        DQUOT_INIT(dir);
@@ -2320,7 +2314,7 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
        if (error)
                return error;
 
-       if (!dir->i_op || !dir->i_op->symlink)
+       if (!dir->i_op->symlink)
                return -EPERM;
 
        error = security_inode_symlink(dir, dentry, oldname);
@@ -2401,7 +2395,7 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
         */
        if (IS_APPEND(inode) || IS_IMMUTABLE(inode))
                return -EPERM;
-       if (!dir->i_op || !dir->i_op->link)
+       if (!dir->i_op->link)
                return -EPERM;
        if (S_ISDIR(inode->i_mode))
                return -EPERM;
@@ -2608,7 +2602,7 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        if (error)
                return error;
 
-       if (!old_dir->i_op || !old_dir->i_op->rename)
+       if (!old_dir->i_op->rename)
                return -EPERM;
 
        DQUOT_INIT(old_dir);
@@ -2817,18 +2811,23 @@ void page_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie)
        }
 }
 
-int __page_symlink(struct inode *inode, const char *symname, int len,
-               gfp_t gfp_mask)
+/*
+ * The nofs argument instructs pagecache_write_begin to pass AOP_FLAG_NOFS
+ */
+int __page_symlink(struct inode *inode, const char *symname, int len, int nofs)
 {
        struct address_space *mapping = inode->i_mapping;
        struct page *page;
        void *fsdata;
        int err;
        char *kaddr;
+       unsigned int flags = AOP_FLAG_UNINTERRUPTIBLE;
+       if (nofs)
+               flags |= AOP_FLAG_NOFS;
 
 retry:
        err = pagecache_write_begin(NULL, mapping, 0, len-1,
-                               AOP_FLAG_UNINTERRUPTIBLE, &page, &fsdata);
+                               flags, &page, &fsdata);
        if (err)
                goto fail;
 
@@ -2852,7 +2851,7 @@ fail:
 int page_symlink(struct inode *inode, const char *symname, int len)
 {
        return __page_symlink(inode, symname, len,
-                       mapping_gfp_mask(inode->i_mapping));
+                       !(mapping_gfp_mask(inode->i_mapping) & __GFP_FS));
 }
 
 const struct inode_operations page_symlink_inode_operations = {