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| author | Steven Whitehouse <swhiteho@redhat.com> | 2008-11-12 17:00:16 -0600 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2008-12-23 10:16:01 -0600 |
| commit | 1521848cbb42935a52d11305c054b14461ad061c (patch) | |
| tree | 9cdbb97b238a909765f5e94688d70be062f7257d /fs/dlm/lowcomms.c | |
| parent | cd8e4679bdcf9b54564f2cda2389bd0f0457e12d (diff) | |
| download | lwn-1521848cbb42935a52d11305c054b14461ad061c.tar.gz lwn-1521848cbb42935a52d11305c054b14461ad061c.zip | |
dlm: remove kmap/kunmap
The pages used in lowcomms are not highmem, so kmap is not necessary.
Cc: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/lowcomms.c')
| -rw-r--r-- | fs/dlm/lowcomms.c | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 1e720316300b..103a5ebd1371 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -824,7 +824,6 @@ static void sctp_init_assoc(struct connection *con) len = e->len; offset = e->offset; spin_unlock(&con->writequeue_lock); - kmap(e->page); /* Send the first block off the write queue */ iov[0].iov_base = page_address(e->page)+offset; @@ -855,7 +854,6 @@ static void sctp_init_assoc(struct connection *con) if (e->len == 0 && e->users == 0) { list_del(&e->list); - kunmap(e->page); free_entry(e); } spin_unlock(&con->writequeue_lock); @@ -1204,8 +1202,6 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc) if (e) { got_one: - if (users == 0) - kmap(e->page); *ppc = page_address(e->page) + offset; return e; } @@ -1234,7 +1230,6 @@ void dlm_lowcomms_commit_buffer(void *mh) if (users) goto out; e->len = e->end - e->offset; - kunmap(e->page); spin_unlock(&con->writequeue_lock); if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) { @@ -1273,7 +1268,6 @@ static void send_to_sock(struct connection *con) offset = e->offset; BUG_ON(len == 0 && e->users == 0); spin_unlock(&con->writequeue_lock); - kmap(e->page); ret = 0; if (len) { @@ -1295,7 +1289,6 @@ static void send_to_sock(struct connection *con) if (e->len == 0 && e->users == 0) { list_del(&e->list); - kunmap(e->page); free_entry(e); continue; } |