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| author |   Patrick Caulfield <pcaulfie@redhat.com> | 2007-06-06 09:21:22 -0500 |
|---|---|---|
| committer |   Steven Whitehouse <swhiteho@redhat.com> | 2007-07-09 08:23:17 +0100 |
| commit | 44f487a5536a3afd96a9f571de24c36559e9ae82 (patch) | |
| tree | 1bbdb85a23c75a29e49ec0b7a1cbb6834a5b55e6 /fs/dlm | |
| parent | [DLM] fix reference counting (diff) | |
| download | linux-dev-44f487a5536a3afd96a9f571de24c36559e9ae82.tar.xz linux-dev-44f487a5536a3afd96a9f571de24c36559e9ae82.zip | |
[DLM] variable allocation
Add a new flag, DLM_LSFL_FS, to be used when a file system creates a lockspace.
This flag causes the dlm to use GFP_NOFS for allocations instead of GFP_KERNEL.
(This updated version of the patch uses gfp_t for ls_allocation.)
Signed-Off-By: Patrick Caulfield <pcaulfie@redhat.com>
Signed-Off-By: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/dlm')
| -rw-r--r-- | fs/dlm/dlm_internal.h | 1 | ||||
| -rw-r--r-- | fs/dlm/lock.c | 2 | ||||
| -rw-r--r-- | fs/dlm/lockspace.c | 5 | ||||
| -rw-r--r-- | fs/dlm/rcom.c | 9 |
4 files changed, 12 insertions, 5 deletions
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h index f2c85493c0c6..8ac081882c78 100644 --- a/fs/dlm/dlm_internal.h +++ b/fs/dlm/dlm_internal.h @@ -463,6 +463,7 @@ struct dlm_ls { int ls_low_nodeid; int ls_total_weight; int *ls_node_array; + gfp_t ls_allocation; struct dlm_rsb ls_stub_rsb; /* for returning errors */ struct dlm_lkb ls_stub_lkb; /* for returning errors */ diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c index de943afacb37..b455919c1998 100644 --- a/fs/dlm/lock.c +++ b/fs/dlm/lock.c @@ -2594,7 +2594,7 @@ static int _create_message(struct dlm_ls *ls, int mb_len, pass into lowcomms_commit and a message buffer (mb) that we write our data into */ - mh = dlm_lowcomms_get_buffer(to_nodeid, mb_len, GFP_KERNEL, &mb); + mh = dlm_lowcomms_get_buffer(to_nodeid, mb_len, ls->ls_allocation, &mb); if (!mh) return -ENOBUFS; diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index c8f0c15ac166..6802653473d1 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -444,6 +444,11 @@ static int new_lockspace(char *name, int namelen, void **lockspace, set_bit(LSFL_TIMEWARN, &ls->ls_flags); ls->ls_exflags = (flags & ~DLM_LSFL_TIMEWARN); + if (flags & DLM_LSFL_FS) + ls->ls_allocation = GFP_NOFS; + else + ls->ls_allocation = GFP_KERNEL; + size = dlm_config.ci_rsbtbl_size; ls->ls_rsbtbl_size = size; diff --git a/fs/dlm/rcom.c b/fs/dlm/rcom.c index f71c23542f0f..e3a1527cbdbe 100644 --- a/fs/dlm/rcom.c +++ b/fs/dlm/rcom.c @@ -38,7 +38,7 @@ static int create_rcom(struct dlm_ls *ls, int to_nodeid, int type, int len, char *mb; int mb_len = sizeof(struct dlm_rcom) + len; - mh = dlm_lowcomms_get_buffer(to_nodeid, mb_len, GFP_KERNEL, &mb); + mh = dlm_lowcomms_get_buffer(to_nodeid, mb_len, ls->ls_allocation, &mb); if (!mh) { log_print("create_rcom to %d type %d len %d ENOBUFS", to_nodeid, type, len); @@ -386,7 +386,8 @@ static void receive_rcom_lock_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in) dlm_recover_process_copy(ls, rc_in); } -static int send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in) +static int send_ls_not_ready(struct dlm_ls *ls, int nodeid, + struct dlm_rcom *rc_in) { struct dlm_rcom *rc; struct rcom_config *rf; @@ -394,7 +395,7 @@ static int send_ls_not_ready(int nodeid, struct dlm_rcom *rc_in) char *mb; int mb_len = sizeof(struct dlm_rcom) + sizeof(struct rcom_config); - mh = dlm_lowcomms_get_buffer(nodeid, mb_len, GFP_KERNEL, &mb); + mh = dlm_lowcomms_get_buffer(nodeid, mb_len, ls->ls_allocation, &mb); if (!mh) return -ENOBUFS; memset(mb, 0, mb_len); @@ -464,7 +465,7 @@ void dlm_receive_rcom(struct dlm_header *hd, int nodeid) log_print("lockspace %x from %d type %x not found", hd->h_lockspace, nodeid, rc->rc_type); if (rc->rc_type == DLM_RCOM_STATUS) - send_ls_not_ready(nodeid, rc); + send_ls_not_ready(ls, nodeid, rc); return; } |