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author | David Teigland <teigland@redhat.com> | 2009-05-15 15:50:57 (GMT) |
---|---|---|
committer | David Teigland <teigland@redhat.com> | 2009-05-15 16:24:59 (GMT) |
commit | 748285ccf7ea76d3d76d0d5f2945ad6fb91f5329 (patch) | |
tree | aeb56a0e18c2f54acccb65e5b6e8ac63f53dfc44 | |
parent | 391fbdc5d527149578490db2f1619951d91f3561 (diff) | |
download | linux-748285ccf7ea76d3d76d0d5f2945ad6fb91f5329.tar.xz |
dlm: use more NOFS allocation
Change some GFP_KERNEL allocations to use either GFP_NOFS or
ls_allocation (when available) which the fs sets to GFP_NOFS.
The point is to prevent allocations from going back into the
cluster fs in places where that might lead to deadlock.
Signed-off-by: David Teigland <teigland@redhat.com>
-rw-r--r-- | fs/dlm/dir.c | 7 | ||||
-rw-r--r-- | fs/dlm/lowcomms.c | 6 | ||||
-rw-r--r-- | fs/dlm/member.c | 8 | ||||
-rw-r--r-- | fs/dlm/requestqueue.c | 2 |
4 files changed, 12 insertions, 11 deletions
diff --git a/fs/dlm/dir.c b/fs/dlm/dir.c index 858fba1..c4dfa1d 100644 --- a/fs/dlm/dir.c +++ b/fs/dlm/dir.c @@ -49,7 +49,8 @@ static struct dlm_direntry *get_free_de(struct dlm_ls *ls, int len) spin_unlock(&ls->ls_recover_list_lock); if (!found) - de = kzalloc(sizeof(struct dlm_direntry) + len, GFP_KERNEL); + de = kzalloc(sizeof(struct dlm_direntry) + len, + ls->ls_allocation); return de; } @@ -211,7 +212,7 @@ int dlm_recover_directory(struct dlm_ls *ls) dlm_dir_clear(ls); - last_name = kmalloc(DLM_RESNAME_MAXLEN, GFP_KERNEL); + last_name = kmalloc(DLM_RESNAME_MAXLEN, ls->ls_allocation); if (!last_name) goto out; @@ -322,7 +323,7 @@ static int get_entry(struct dlm_ls *ls, int nodeid, char *name, if (namelen > DLM_RESNAME_MAXLEN) return -EINVAL; - de = kzalloc(sizeof(struct dlm_direntry) + namelen, GFP_KERNEL); + de = kzalloc(sizeof(struct dlm_direntry) + namelen, ls->ls_allocation); if (!de) return -ENOMEM; diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 2559a97..cdb580a 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -500,7 +500,7 @@ static void process_sctp_notification(struct connection *con, return; } - new_con = nodeid2con(nodeid, GFP_KERNEL); + new_con = nodeid2con(nodeid, GFP_NOFS); if (!new_con) return; @@ -736,7 +736,7 @@ static int tcp_accept_from_sock(struct connection *con) * the same time and the connections cross on the wire. * In this case we store the incoming one in "othercon" */ - newcon = nodeid2con(nodeid, GFP_KERNEL); + newcon = nodeid2con(nodeid, GFP_NOFS); if (!newcon) { result = -ENOMEM; goto accept_err; @@ -746,7 +746,7 @@ static int tcp_accept_from_sock(struct connection *con) struct connection *othercon = newcon->othercon; if (!othercon) { - othercon = kmem_cache_zalloc(con_cache, GFP_KERNEL); + othercon = kmem_cache_zalloc(con_cache, GFP_NOFS); if (!othercon) { log_print("failed to allocate incoming socket"); mutex_unlock(&newcon->sock_mutex); diff --git a/fs/dlm/member.c b/fs/dlm/member.c index 2afb770..b128775 100644 --- a/fs/dlm/member.c +++ b/fs/dlm/member.c @@ -48,7 +48,7 @@ static int dlm_add_member(struct dlm_ls *ls, int nodeid) struct dlm_member *memb; int w, error; - memb = kzalloc(sizeof(struct dlm_member), GFP_KERNEL); + memb = kzalloc(sizeof(struct dlm_member), ls->ls_allocation); if (!memb) return -ENOMEM; @@ -143,7 +143,7 @@ static void make_member_array(struct dlm_ls *ls) ls->ls_total_weight = total; - array = kmalloc(sizeof(int) * total, GFP_KERNEL); + array = kmalloc(sizeof(int) * total, ls->ls_allocation); if (!array) return; @@ -226,7 +226,7 @@ int dlm_recover_members(struct dlm_ls *ls, struct dlm_recover *rv, int *neg_out) continue; log_debug(ls, "new nodeid %d is a re-added member", rv->new[i]); - memb = kzalloc(sizeof(struct dlm_member), GFP_KERNEL); + memb = kzalloc(sizeof(struct dlm_member), ls->ls_allocation); if (!memb) return -ENOMEM; memb->nodeid = rv->new[i]; @@ -341,7 +341,7 @@ int dlm_ls_start(struct dlm_ls *ls) int *ids = NULL, *new = NULL; int error, ids_count = 0, new_count = 0; - rv = kzalloc(sizeof(struct dlm_recover), GFP_KERNEL); + rv = kzalloc(sizeof(struct dlm_recover), ls->ls_allocation); if (!rv) return -ENOMEM; diff --git a/fs/dlm/requestqueue.c b/fs/dlm/requestqueue.c index daa4183..7a2307c 100644 --- a/fs/dlm/requestqueue.c +++ b/fs/dlm/requestqueue.c @@ -35,7 +35,7 @@ void dlm_add_requestqueue(struct dlm_ls *ls, int nodeid, struct dlm_message *ms) struct rq_entry *e; int length = ms->m_header.h_length - sizeof(struct dlm_message); - e = kmalloc(sizeof(struct rq_entry) + length, GFP_KERNEL); + e = kmalloc(sizeof(struct rq_entry) + length, ls->ls_allocation); if (!e) { log_print("dlm_add_requestqueue: out of memory len %d", length); return; |