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linux/generic: port yaffs to 2.6.39 

SVN-Revision: 26818
lede-17.01
Alexandros C. Couloumbis 2011-05-04 09:35:06 +00:00
parent 67339c1329
commit c27ffb1912
1 changed files with 147 additions and 0 deletions
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147
target/linux/generic/patches-2.6.39/505-2.6.39_fix.patch Normal file
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@ -0,0 +1,147 @@
--- a/fs/yaffs2/yaffs_vfs_glue.c
+++ b/fs/yaffs2/yaffs_vfs_glue.c
@@ -72,7 +72,7 @@
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/proc_fs.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/pagemap.h>
#include <linux/mtd/mtd.h>
#include <linux/interrupt.h>
@@ -97,6 +97,8 @@
#include <asm/div64.h>
+static DEFINE_MUTEX(yaffs_mutex);
+
#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
#include <linux/statfs.h>
@@ -1538,7 +1540,7 @@ static loff_t yaffs_dir_llseek(struct fi
{
long long retval;
- lock_kernel();
+ mutex_lock(&yaffs_mutex);
switch (origin){
case 2:
@@ -1555,7 +1557,7 @@ static loff_t yaffs_dir_llseek(struct fi
retval = offset;
}
- unlock_kernel();
+ mutex_unlock(&yaffs_mutex);
return retval;
}
@@ -3087,98 +3089,52 @@ static struct super_block *yaffs_interna
return sb;
}
-
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs_internal_read_super_mtd(struct super_block *sb, void *data,
int silent)
{
return yaffs_internal_read_super(1, sb, data, silent) ? 0 : -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-static int yaffs_read_super(struct file_system_type *fs,
+static struct dentry *yaffs_read_super(struct file_system_type *fs,
int flags, const char *dev_name,
- void *data, struct vfsmount *mnt)
-{
-
- return get_sb_bdev(fs, flags, dev_name, data,
- yaffs_internal_read_super_mtd, mnt);
-}
-#else
-static struct super_block *yaffs_read_super(struct file_system_type *fs,
- int flags, const char *dev_name,
- void *data)
+ void *data)
{
- return get_sb_bdev(fs, flags, dev_name, data,
+ return mount_bdev(fs, flags, dev_name, data,
yaffs_internal_read_super_mtd);
}
-#endif
static struct file_system_type yaffs_fs_type = {
.owner = THIS_MODULE,
.name = "yaffs",
- .get_sb = yaffs_read_super,
+ .mount = yaffs_read_super,
.kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
-#else
-static struct super_block *yaffs_read_super(struct super_block *sb, void *data,
- int silent)
-{
- return yaffs_internal_read_super(1, sb, data, silent);
-}
-
-static DECLARE_FSTYPE(yaffs_fs_type, "yaffs", yaffs_read_super,
- FS_REQUIRES_DEV);
-#endif
-
#ifdef CONFIG_YAFFS_YAFFS2
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 5, 0))
static int yaffs2_internal_read_super_mtd(struct super_block *sb, void *data,
int silent)
{
return yaffs_internal_read_super(2, sb, data, silent) ? 0 : -EINVAL;
}
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 17))
-static int yaffs2_read_super(struct file_system_type *fs,
- int flags, const char *dev_name, void *data,
- struct vfsmount *mnt)
+static struct dentry *yaffs2_read_super(struct file_system_type *fs,
+ int flags, const char *dev_name,
+ void *data)
{
- return get_sb_bdev(fs, flags, dev_name, data,
- yaffs2_internal_read_super_mtd, mnt);
+ return mount_bdev(fs, flags, dev_name, data,
+ yaffs_internal_read_super_mtd);
}
-#else
-static struct super_block *yaffs2_read_super(struct file_system_type *fs,
- int flags, const char *dev_name,
- void *data)
-{
-
- return get_sb_bdev(fs, flags, dev_name, data,
- yaffs2_internal_read_super_mtd);
-}
-#endif
static struct file_system_type yaffs2_fs_type = {
.owner = THIS_MODULE,
.name = "yaffs2",
- .get_sb = yaffs2_read_super,
+ .mount = yaffs2_read_super,
.kill_sb = kill_block_super,
.fs_flags = FS_REQUIRES_DEV,
};
-#else
-static struct super_block *yaffs2_read_super(struct super_block *sb,
- void *data, int silent)
-{
- return yaffs_internal_read_super(2, sb, data, silent);
-}
-
-static DECLARE_FSTYPE(yaffs2_fs_type, "yaffs2", yaffs2_read_super,
- FS_REQUIRES_DEV);
-#endif
#endif /* CONFIG_YAFFS_YAFFS2 */