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@@ -30,6 +30,7 @@
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#include <linux/vfs.h>
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#include <linux/seq_file.h>
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#include <linux/mount.h>
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+#include <linux/log2.h>
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#include <asm/uaccess.h>
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#include "ext2.h"
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#include "xattr.h"
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@@ -862,7 +863,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
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sbi->s_inode_size = le16_to_cpu(es->s_inode_size);
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sbi->s_first_ino = le32_to_cpu(es->s_first_ino);
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if ((sbi->s_inode_size < EXT2_GOOD_OLD_INODE_SIZE) ||
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- (sbi->s_inode_size & (sbi->s_inode_size - 1)) ||
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+ !is_power_of_2(sbi->s_inode_size) ||
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(sbi->s_inode_size > blocksize)) {
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printk ("EXT2-fs: unsupported inode size: %d\n",
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sbi->s_inode_size);
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