This backports:
commit d9d90e5eb70e09903dadff42099b6c948f814050
Author: Hugh Dickins <hughd@xxxxxxxxxx>
Date: Mon Jun 27 16:18:04 2011 -0700
tmpfs: add shmem_read_mapping_page_gfp
shmem_read_mapping_page() is a wrapper around
shmem_read_mapping_page_gfp().
Trying kernel 3.4.0-030400-generic [OK]
Trying kernel 3.3.7-030307-generic [OK]
Trying kernel 3.2.2-030202-generic [OK]
Trying kernel 3.1.10-030110-generic [OK]
Trying kernel 3.0.18-030018-generic [OK]
Trying kernel 2.6.39-02063904-generic [OK]
Trying kernel 2.6.38-02063808-generic [OK]
Trying kernel 2.6.37-02063706-generic [OK]
Trying kernel 2.6.36-02063604-generic [OK]
Trying kernel 2.6.35-02063512-generic [OK]
Trying kernel 2.6.34-02063410-generic [OK]
Trying kernel 2.6.33-02063305-generic [OK]
Trying kernel 2.6.32-02063255-generic [OK]
Trying kernel 2.6.31-02063113-generic [OK]
Trying kernel 2.6.30-02063010-generic [OK]
Trying kernel 2.6.29-02062906-generic [OK]
Trying kernel 2.6.28-02062810-generic [OK]
Trying kernel 2.6.27-020627-generic [OK]
Trying kernel 2.6.26-020626-generic [OK]
Trying kernel 2.6.25-020625-generic [OK]
Trying kernel 2.6.24-020624-generic [OK]
Signed-off-by: Ozan Çağlayan <ozancag@xxxxxxxxx>
---
compat/compat-3.0.c | 23 +++++++++++++++++++++++
include/linux/compat-3.0.h | 29 +++++++++++++++++++++++++++++
2 files changed, 52 insertions(+)
diff --git a/compat/compat-3.0.c b/compat/compat-3.0.c
index 1da45ac..e841373 100644
--- a/compat/compat-3.0.c
+++ b/compat/compat-3.0.c
@@ -12,6 +12,29 @@
#include <linux/compat.h>
#include <linux/if_ether.h>
+/* This pulls-in a lot of non-exported symbol backports
+ * on kernels older than 2.6.32. There's no harm for not
+ * making this available on kernels < 2.6.32. */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+#include <linux/pagemap.h>
+
+/* This backports:
+ *
+ * commit d9d90e5eb70e09903dadff42099b6c948f814050
+ * Author: Hugh Dickins <hughd@xxxxxxxxxx>
+ * Date: Mon Jun 27 16:18:04 2011 -0700
+ *
+ * tmpfs: add shmem_read_mapping_page_gfp
+ */
+
+struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
+ pgoff_t index, gfp_t gfp)
+{
+ return read_cache_page_gfp(mapping, index, gfp);
+}
+EXPORT_SYMBOL_GPL(shmem_read_mapping_page_gfp);
+#endif
+
int mac_pton(const char *s, u8 *mac)
{
int i;
diff --git a/include/linux/compat-3.0.h b/include/linux/compat-3.0.h
index 22ab539..ba25846 100644
--- a/include/linux/compat-3.0.h
+++ b/include/linux/compat-3.0.h
@@ -7,6 +7,35 @@
#include <linux/rcupdate.h>
+/* This pulls-in a lot of non-exported symbol backports
+ * on kernels older than 2.6.32. There's no harm for not
+ * making this available on kernels < 2.6.32. */
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
+#include <linux/pagemap.h>
+
+/* This backports the 2nd part of:
+ *
+ * commit d9d90e5eb70e09903dadff42099b6c948f814050
+ * Author: Hugh Dickins <hughd@xxxxxxxxxx>
+ * Date: Mon Jun 27 16:18:04 2011 -0700
+ *
+ * tmpfs: add shmem_read_mapping_page_gfp
+ *
+ * First part is in compat-3.0.c.
+ */
+extern struct page *shmem_read_mapping_page_gfp(struct address_space *mapping,
+ pgoff_t index, gfp_t gfp);
+
+
+static inline struct page *shmem_read_mapping_page(
+ struct address_space *mapping, pgoff_t index)
+{
+ return shmem_read_mapping_page_gfp(mapping, index,
+ mapping_gfp_mask(mapping));
+}
+#endif
+
+
/*
* since commit 1c5cae815d19ffe02bdfda1260949ef2b1806171
* "net: call dev_alloc_name from register_netdevice" dev_alloc_name is
--
1.7.10.4
--
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