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gfs2: Simplify the buf_limit and databuf_limit definitions 

The BUF_OFFSET and DATABUF_OFFSET definitions are only used in buf_limit
and databuf_limit, respectively, and the rounding done in those
definitions is immediately wiped out by dividing by the element size.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
This commit is contained in:
Andreas Gruenbacher 2020-12-05 13:21:50 +01:00
parent 736b2f778f
commit 458094c2c6
1 changed files with 2 additions and 15 deletions
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17
fs/gfs2/lops.h
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@ -10,13 +10,6 @@
#include <linux/list.h>
#include "incore.h"
#define BUF_OFFSET \
((sizeof(struct gfs2_log_descriptor) + sizeof(__be64) - 1) & \
~(sizeof(__be64) - 1))
#define DATABUF_OFFSET \
((sizeof(struct gfs2_log_descriptor) + (2 * sizeof(__be64) - 1)) & \
~(2 * sizeof(__be64) - 1))
extern const struct gfs2_log_operations *gfs2_log_ops[];
extern void gfs2_log_incr_head(struct gfs2_sbd *sdp);
extern u64 gfs2_log_bmap(struct gfs2_jdesc *jd, unsigned int lbn);
@ -29,18 +22,12 @@ extern int gfs2_find_jhead(struct gfs2_jdesc *jd,
struct gfs2_log_header_host *head, bool keep_cache);
static inline unsigned int buf_limit(struct gfs2_sbd *sdp)
{
unsigned int limit;
limit = (sdp->sd_sb.sb_bsize - BUF_OFFSET) / sizeof(__be64);
return limit;
return sdp->sd_ldptrs;
}
static inline unsigned int databuf_limit(struct gfs2_sbd *sdp)
{
unsigned int limit;
limit = (sdp->sd_sb.sb_bsize - DATABUF_OFFSET) / (2 * sizeof(__be64));
return limit;
return sdp->sd_ldptrs / 2;
}
static inline void lops_before_commit(struct gfs2_sbd *sdp,