Re: [PATCH v5 3/3] fadvise: implement POSIX_FADV_NOREUSE
From: Arun Sharma <hidden>
Date: 2012-02-15 23:35:37
Also in:
linux-fsdevel, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
On Sun, Feb 12, 2012 at 01:21:38AM +0100, Andrea Righi wrote:
quoted hunk ↗ jump to hunk
diff --git a/include/linux/fs.h b/include/linux/fs.h index 386da09..624a73e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h@@ -9,6 +9,7 @@ #include <linux/limits.h> #include <linux/ioctl.h> #include <linux/blk_types.h> +#include <linux/kinterval.h> #include <linux/types.h>
fs.h is an exported header file, whereas kinterval.h is not. So this fails scripts/header_check.pl. I used the workaround below. -Arun
diff --git a/fs/inode.c b/fs/inode.c
index d27dbee..1335a5f 100644
--- a/fs/inode.c
+++ b/fs/inode.c@@ -26,6 +26,7 @@ #include <linux/ima.h> #include <linux/cred.h> #include <linux/buffer_head.h> /* for inode_has_buffers */ +#include <linux/kinterval.h> #include "internal.h" /*
@@ -279,7 +280,7 @@ void address_space_init_once(struct address_space *mapping) spin_lock_init(&mapping->private_lock); INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap); INIT_LIST_HEAD(&mapping->i_mmap_nonlinear); - INIT_KINTERVAL_TREE_ROOT(&mapping->nocache_tree); + INIT_KINTERVAL_TREE_ROOT((struct rb_root *) &mapping->nocache_tree); rwlock_init(&mapping->nocache_lock); } EXPORT_SYMBOL(address_space_init_once);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 74b6a97..b4e45e6 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h@@ -9,7 +9,6 @@ #include <linux/limits.h> #include <linux/ioctl.h> #include <linux/blk_types.h> -#include <linux/kinterval.h> #include <linux/types.h> /*
@@ -656,7 +655,7 @@ struct address_space { spinlock_t private_lock; /* for use by the address_space */ struct list_head private_list; /* ditto */ struct address_space *assoc_mapping; /* ditto */ - struct rb_root nocache_tree; /* noreuse cache range tree */ + void *nocache_tree; /* noreuse cache range tree */ rwlock_t nocache_lock; /* protect the nocache_tree */ } __attribute__((aligned(sizeof(long)))); /* --
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