ocfs2: Wrap extent block reads in a dedicated function.

We weren't consistently checking extent blocks after we read them.
Most places checked the signature, but none checked h_blkno or
h_fs_signature.  Create a toplevel ocfs2_read_extent_block() that does
the read and the validation.

Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>

1 files changed, 0 insertions, 8 deletions

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 82ba887afa0d..f04b229fc757 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -447,14 +447,6 @@ static inline int ocfs2_uses_extended_slot_map(struct ocfs2_super *osb)
 #define OCFS2_IS_VALID_EXTENT_BLOCK(ptr)                                \
         (!strcmp((ptr)->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE))
 
-#define OCFS2_RO_ON_INVALID_EXTENT_BLOCK(__sb, __eb)    do {            \
-        typeof(__eb) ____eb = (__eb);                                   \
-        ocfs2_error((__sb),                                             \
-                "Extent Block # %llu has bad signature %.*s",           \
-                (unsigned long long)le64_to_cpu((____eb)->h_blkno), 7,  \
-                (____eb)->h_signature);                                 \
-} while (0)
-
 #define OCFS2_IS_VALID_GROUP_DESC(ptr)                                  \
         (!strcmp((ptr)->bg_signature, OCFS2_GROUP_DESC_SIGNATURE))