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| author | Ilya Dryomov <idryomov@gmail.com> | 2020-11-09 16:37:06 +0300 |
|---|---|---|
| committer | Ilya Dryomov <idryomov@gmail.com> | 2020-12-15 01:21:49 +0300 |
| commit | 699921d9e68ff3d9f8645488c12f4689c6533d70 (patch) | |
| tree | 9e1a8491d95553519bccc839e2eea2f635e78f4e /net/ceph | |
| parent | 3fefd43e741a5b8d55aeb9115ff488ad2cad439b (diff) | |
| download | linux-699921d9e68ff3d9f8645488c12f4689c6533d70.tar.xz | |
libceph: export zero_page
In preparation for msgr2, make zero_page global.
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Diffstat (limited to 'net/ceph')
| -rw-r--r-- | net/ceph/messenger.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index ee87dc3af959..d3880fbe8424 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -164,7 +164,7 @@ static void con_fault(struct ceph_connection *con); static char addr_str[ADDR_STR_COUNT][MAX_ADDR_STR_LEN]; static atomic_t addr_str_seq = ATOMIC_INIT(0); -static struct page *zero_page; /* used in certain error cases */ +struct page *ceph_zero_page; /* used in certain error cases */ const char *ceph_pr_addr(const struct ceph_entity_addr *addr) { @@ -234,9 +234,9 @@ static void _ceph_msgr_exit(void) ceph_msgr_wq = NULL; } - BUG_ON(zero_page == NULL); - put_page(zero_page); - zero_page = NULL; + BUG_ON(!ceph_zero_page); + put_page(ceph_zero_page); + ceph_zero_page = NULL; ceph_msgr_slab_exit(); } @@ -246,9 +246,9 @@ int __init ceph_msgr_init(void) if (ceph_msgr_slab_init()) return -ENOMEM; - BUG_ON(zero_page != NULL); - zero_page = ZERO_PAGE(0); - get_page(zero_page); + BUG_ON(ceph_zero_page); + ceph_zero_page = ZERO_PAGE(0); + get_page(ceph_zero_page); /* * The number of active work items is limited by the number of @@ -1645,7 +1645,8 @@ static int write_partial_skip(struct ceph_connection *con) if (size == con->out_skip) more = MSG_MORE; - ret = ceph_tcp_sendpage(con->sock, zero_page, 0, size, more); + ret = ceph_tcp_sendpage(con->sock, ceph_zero_page, 0, size, + more); if (ret <= 0) goto out; con->out_skip -= ret; |