GFS2: f_ra is always valid in dir readahead function
As a result, we don't need to test it each time.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Cc: Bob Peterson <rpeterso@redhat.com>
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 9144117..946b6f8 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -1378,12 +1378,14 @@
return error;
}
-/* gfs2_dir_readahead - Issue read-ahead requests for leaf blocks.
+/**
+ * gfs2_dir_readahead - Issue read-ahead requests for leaf blocks.
*
* Note: we can't calculate each index like dir_e_read can because we don't
* have the leaf, and therefore we don't have the depth, and therefore we
* don't have the length. So we have to just read enough ahead to make up
- * for the loss of information. */
+ * for the loss of information.
+ */
static void gfs2_dir_readahead(struct inode *inode, unsigned hsize, u32 index,
struct file_ra_state *f_ra)
{
@@ -1394,7 +1396,7 @@
unsigned count;
/* First check if we've already read-ahead for the whole range. */
- if (!f_ra || index + MAX_RA_BLOCKS < f_ra->start)
+ if (index + MAX_RA_BLOCKS < f_ra->start)
return;
f_ra->start = max((pgoff_t)index, f_ra->start);
@@ -1448,7 +1450,7 @@
hash = gfs2_dir_offset2hash(*offset);
index = hash >> (32 - dip->i_depth);
- if (f_ra && dip->i_hash_cache == NULL)
+ if (dip->i_hash_cache == NULL)
f_ra->start = 0;
lp = gfs2_dir_get_hash_table(dip);
if (IS_ERR(lp))