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| author | Ricardo Labiaga <Ricardo.Labiaga@netapp.com> | 2009-04-01 09:23:31 -0400 |
|---|---|---|
| committer | Benny Halevy <bhalevy@panasas.com> | 2009-06-17 14:11:41 -0700 |
| commit | b73dafa7ac94ca8387f65c57cb63a7ffac91bf2c (patch) | |
| tree | 4df5b49dd611a0b585ff2216e219296e240a7506 | |
| parent | 65fc64e547c794764a441e16e95bb76c0e256bd7 (diff) | |
| download | linux-3.10-b73dafa7ac94ca8387f65c57cb63a7ffac91bf2c.tar.gz linux-3.10-b73dafa7ac94ca8387f65c57cb63a7ffac91bf2c.tar.bz2 linux-3.10-b73dafa7ac94ca8387f65c57cb63a7ffac91bf2c.zip | |
nfs41: Backchannel: Refactor nfs4_reset_slot_table()
Generalize nfs4_reset_slot_table() so it can be used to reset the
backchannel slot table in addition to the forechannel slot table.
Signed-off-by: Ricardo Labiaga <Ricardo.Labiaga@netapp.com>
Signed-off-by: Benny Halevy <bhalevy@panasas.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 38 |
1 files changed, 27 insertions, 11 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 5da939d577d..a7b1d6c228c 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4370,19 +4370,21 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo) return status; } -/* Reset a slot table */ -static int nfs4_reset_slot_table(struct nfs4_session *session) +/* + * Reset a slot table + */ +static int nfs4_reset_slot_table(struct nfs4_slot_table *tbl, int max_slots, + int old_max_slots, int ivalue) { - struct nfs4_slot_table *tbl = &session->fc_slot_table; - int i, max_slots = session->fc_attrs.max_reqs; - int old_max_slots = session->fc_slot_table.max_slots; + int i; int ret = 0; - dprintk("--> %s: max_reqs=%u, tbl %p\n", __func__, - session->fc_attrs.max_reqs, tbl); + dprintk("--> %s: max_reqs=%u, tbl %p\n", __func__, max_slots, tbl); - /* Until we have dynamic slot table adjustment, insist - * upon the same slot table size */ + /* + * Until we have dynamic slot table adjustment, insist + * upon the same slot table size + */ if (max_slots != old_max_slots) { dprintk("%s reset slot table does't match old\n", __func__); @@ -4391,7 +4393,7 @@ static int nfs4_reset_slot_table(struct nfs4_session *session) } spin_lock(&tbl->slot_tbl_lock); for (i = 0; i < max_slots; ++i) - tbl->slots[i].seq_nr = 1; + tbl->slots[i].seq_nr = ivalue; tbl->highest_used_slotid = -1; spin_unlock(&tbl->slot_tbl_lock); dprintk("%s: tbl=%p slots=%p max_slots=%d\n", __func__, @@ -4402,6 +4404,20 @@ out: } /* + * Reset the forechannel and backchannel slot tables + */ +static int nfs4_reset_slot_tables(struct nfs4_session *session) +{ + int status; + + status = nfs4_reset_slot_table(&session->fc_slot_table, + session->fc_attrs.max_reqs, + session->fc_slot_table.max_slots, + 1); + return status; +} + +/* * Initialize slot table */ static int nfs4_init_slot_table(struct nfs4_session *session) @@ -4639,7 +4655,7 @@ int nfs4_proc_create_session(struct nfs_client *clp, int reset) /* Init or reset the fore channel */ if (reset) - status = nfs4_reset_slot_table(session); + status = nfs4_reset_slot_tables(session); else status = nfs4_init_slot_table(session); dprintk("fore channel slot table initialization returned %d\n", status); |