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authorIlya Dryomov <idryomov@gmail.com>2018-02-17 11:29:58 +0300
committerIlya Dryomov <idryomov@gmail.com>2018-04-02 11:12:38 +0300
commitdccbf08005df800f5c8e948ab6132ed5536134bc (patch)
tree9df1438b466899a694f724fdbdca2c0f9aca514e /net/ceph
parentdb2196a58939c0b75b9b7ea5ab1fec4081d48661 (diff)
downloadlinux-dccbf08005df800f5c8e948ab6132ed5536134bc.tar.xz
libceph, ceph: change ceph_calc_file_object_mapping() signature
- make it void - xlen (object extent length) out parameter should be u32 because only a single stripe unit is mapped at a time Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Reviewed-by: Alex Elder <elder@linaro.org>
Diffstat (limited to 'net/ceph')
-rw-r--r--net/ceph/osd_client.c10
-rw-r--r--net/ceph/osdmap.c6
2 files changed, 6 insertions, 10 deletions
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 2814dba5902d..4b0485458d26 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -103,13 +103,12 @@ static int calc_layout(struct ceph_file_layout *layout, u64 off, u64 *plen,
u64 *objnum, u64 *objoff, u64 *objlen)
{
u64 orig_len = *plen;
- int r;
+ u32 xlen;
/* object extent? */
- r = ceph_calc_file_object_mapping(layout, off, orig_len, objnum,
- objoff, objlen);
- if (r < 0)
- return r;
+ ceph_calc_file_object_mapping(layout, off, orig_len, objnum,
+ objoff, &xlen);
+ *objlen = xlen;
if (*objlen < orig_len) {
*plen = *objlen;
dout(" skipping last %llu, final file extent %llu~%llu\n",
@@ -117,7 +116,6 @@ static int calc_layout(struct ceph_file_layout *layout, u64 off, u64 *plen,
}
dout("calc_layout objnum=%llx %llu~%llu\n", *objnum, *objoff, *objlen);
-
return 0;
}
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 3faa9e701518..e3ebbe2ecdad 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -2153,9 +2153,9 @@ bool ceph_osds_changed(const struct ceph_osds *old_acting,
* objno | 0 | 1 | 2 | 3 | 4
* objsetno | 0 | 1
*/
-int ceph_calc_file_object_mapping(struct ceph_file_layout *l,
+void ceph_calc_file_object_mapping(struct ceph_file_layout *l,
u64 off, u64 len,
- u64 *objno, u64 *objoff, u64 *xlen)
+ u64 *objno, u64 *objoff, u32 *xlen)
{
u32 stripes_per_object = l->object_size / l->stripe_unit;
u64 blockno; /* which su in the file (i.e. globally) */
@@ -2173,8 +2173,6 @@ int ceph_calc_file_object_mapping(struct ceph_file_layout *l,
*objno = objsetno * l->stripe_count + stripepos;
*objoff = objsetpos * l->stripe_unit + blockoff;
*xlen = min_t(u64, len, l->stripe_unit - blockoff);
-
- return 0;
}
EXPORT_SYMBOL(ceph_calc_file_object_mapping);