gfs2: Use get_random_u32 in gfs2_orlov_skip

Andreas Gruenbacher · Andreas Gruenbacher · commit 0c5bee608fbb · 2024-11-05T12:39:29.000+01:00
Use get_random_u32() instead of get_random_bytes() to remove the last
remaining call to get_random_bytes().

Signed-off-by: Andreas Gruenbacher &lt;agruenba@redhat.com&gt;
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
@@ -1987,10 +1987,8 @@ static bool gfs2_rgrp_used_recently(const struct gfs2_blkreserv *rs,
 static u32 gfs2_orlov_skip(const struct gfs2_inode *ip)
 {
 	const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
-	u32 skip;
 
-	get_random_bytes(&skip, sizeof(skip));
-	return skip % sdp->sd_rgrps;
+	return get_random_u32() % sdp->sd_rgrps;
 }
 
 static bool gfs2_select_rgrp(struct gfs2_rgrpd **pos, const struct gfs2_rgrpd *begin)

Original file line number	Diff line number	Diff line change
`@@ -1987,10 +1987,8 @@ static bool gfs2_rgrp_used_recently(const struct gfs2_blkreserv *rs,`
`1987`	`1987`	`static u32 gfs2_orlov_skip(const struct gfs2_inode *ip)`
`1988`	`1988`	`{`
`1989`	`1989`	`const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);`
`1990`		`- u32 skip;`
`1991`	`1990`
`1992`		`- get_random_bytes(&skip, sizeof(skip));`
`1993`		`- return skip % sdp->sd_rgrps;`
	`1991`	`+ return get_random_u32() % sdp->sd_rgrps;`
`1994`	`1992`	`}`
`1995`	`1993`
`1996`	`1994`	`static bool gfs2_select_rgrp(struct gfs2_rgrpd *pos, const struct gfs2_rgrpd begin)`