diff options
| author | Steven Whitehouse <swhiteho@redhat.com> | 2008-11-12 16:49:48 -0600 |
|---|---|---|
| committer | David Teigland <teigland@redhat.com> | 2008-12-23 10:15:40 -0600 |
| commit | d6d7b702a3a1ca50f7ca2bebaa79c80425156bac (patch) | |
| tree | 58399f82a48ca2a02bea7bdadc14925858a8017a /fs/dlm | |
| parent | 58e20d8d344b0ee083febb18c2b021d2427e56ca (diff) | |
| download | lwn-d6d7b702a3a1ca50f7ca2bebaa79c80425156bac.tar.gz lwn-d6d7b702a3a1ca50f7ca2bebaa79c80425156bac.zip | |
dlm: fix up memory allocation flags
Use ls_allocation for memory allocations, which a cluster fs sets to
GFP_NOFS. Use GFP_NOFS for allocations when no lockspace struct is
available. Taking dlm locks needs to avoid calling back into the
cluster fs because write-out can require taking dlm locks.
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')
| -rw-r--r-- | fs/dlm/lowcomms.c | 1 | ||||
| -rw-r--r-- | fs/dlm/memory.c | 6 | ||||
| -rw-r--r-- | fs/dlm/midcomms.c | 2 |
3 files changed, 5 insertions, 4 deletions
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 3962262f991a..1e720316300b 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -295,6 +295,7 @@ static int add_sock(struct socket *sock, struct connection *con) con->sock->sk->sk_write_space = lowcomms_write_space; con->sock->sk->sk_state_change = lowcomms_state_change; con->sock->sk->sk_user_data = con; + con->sock->sk->sk_allocation = GFP_NOFS; return 0; } diff --git a/fs/dlm/memory.c b/fs/dlm/memory.c index 54c14c6d06cb..c1775b84ebab 100644 --- a/fs/dlm/memory.c +++ b/fs/dlm/memory.c @@ -39,7 +39,7 @@ char *dlm_allocate_lvb(struct dlm_ls *ls) { char *p; - p = kzalloc(ls->ls_lvblen, GFP_KERNEL); + p = kzalloc(ls->ls_lvblen, ls->ls_allocation); return p; } @@ -57,7 +57,7 @@ struct dlm_rsb *dlm_allocate_rsb(struct dlm_ls *ls, int namelen) DLM_ASSERT(namelen <= DLM_RESNAME_MAXLEN,); - r = kzalloc(sizeof(*r) + namelen, GFP_KERNEL); + r = kzalloc(sizeof(*r) + namelen, ls->ls_allocation); return r; } @@ -72,7 +72,7 @@ struct dlm_lkb *dlm_allocate_lkb(struct dlm_ls *ls) { struct dlm_lkb *lkb; - lkb = kmem_cache_zalloc(lkb_cache, GFP_KERNEL); + lkb = kmem_cache_zalloc(lkb_cache, ls->ls_allocation); return lkb; } diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c index 07ac709f3ed7..f3396c622aec 100644 --- a/fs/dlm/midcomms.c +++ b/fs/dlm/midcomms.c @@ -112,7 +112,7 @@ int dlm_process_incoming_buffer(int nodeid, const void *base, ordinary messages). */ if (msglen > sizeof(__tmp) && p == &__tmp.p) { - p = kmalloc(dlm_config.ci_buffer_size, GFP_KERNEL); + p = kmalloc(dlm_config.ci_buffer_size, GFP_NOFS); if (p == NULL) return ret; } |