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-rw-r--r--kernel/fs/ocfs2/ocfs2.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/kernel/fs/ocfs2/ocfs2.h b/kernel/fs/ocfs2/ocfs2.h
index 460c6c37e..7a0126267 100644
--- a/kernel/fs/ocfs2/ocfs2.h
+++ b/kernel/fs/ocfs2/ocfs2.h
@@ -286,6 +286,8 @@ enum ocfs2_mount_options
OCFS2_MOUNT_HB_GLOBAL = 1 << 14, /* Global heartbeat */
OCFS2_MOUNT_JOURNAL_ASYNC_COMMIT = 1 << 15, /* Journal Async Commit */
+ OCFS2_MOUNT_ERRORS_CONT = 1 << 16, /* Return EIO to the calling process on error */
+ OCFS2_MOUNT_ERRORS_ROFS = 1 << 17, /* Change filesystem to read-only on error */
};
#define OCFS2_OSB_SOFT_RO 0x0001
@@ -717,6 +719,16 @@ static inline u64 ocfs2_clusters_to_blocks(struct super_block *sb,
return (u64)clusters << c_to_b_bits;
}
+static inline u32 ocfs2_clusters_for_blocks(struct super_block *sb,
+ u64 blocks)
+{
+ int b_to_c_bits = OCFS2_SB(sb)->s_clustersize_bits -
+ sb->s_blocksize_bits;
+
+ blocks += (1 << b_to_c_bits) - 1;
+ return (u32)(blocks >> b_to_c_bits);
+}
+
static inline u32 ocfs2_blocks_to_clusters(struct super_block *sb,
u64 blocks)
{