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yaml
---
r: 320399
b: refs/heads/master
c: a6d88f2
h: refs/heads/master
i:
  320397: bcf3065
  320395: a905562
  320391: e59c0ba
  320383: c042d87
v: v3
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Stanislav Kinsbursky authored and J. Bruce Fields committed Jul 25, 2012
1 parent 7d754f9 commit fda9831
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Showing 2 changed files with 18 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5559b50acdcdcad7e362882d3261bf934c9436f6
refs/heads/master: a6d88f293ecd1b7444e128777f4a893e7a998852
23 changes: 17 additions & 6 deletions trunk/fs/nfsd/nfs4state.c
Original file line number Diff line number Diff line change
Expand Up @@ -4575,7 +4575,7 @@ void nfsd_forget_openowners(u64 num)
printk(KERN_INFO "NFSD: Forgot %d open owners", count);
}

int nfsd_process_n_delegations(u64 num, void (*deleg_func)(struct nfs4_delegation *))
int nfsd_process_n_delegations(u64 num, struct list_head *list)
{
int i, count = 0;
struct nfs4_file *fp, *fnext;
Expand All @@ -4584,7 +4584,7 @@ int nfsd_process_n_delegations(u64 num, void (*deleg_func)(struct nfs4_delegatio
for (i = 0; i < FILE_HASH_SIZE; i++) {
list_for_each_entry_safe(fp, fnext, &file_hashtbl[i], fi_hash) {
list_for_each_entry_safe(dp, dnext, &fp->fi_delegations, dl_perfile) {
deleg_func(dp);
list_move(&dp->dl_recall_lru, list);
if (++count == num)
return count;
}
Expand All @@ -4597,9 +4597,16 @@ int nfsd_process_n_delegations(u64 num, void (*deleg_func)(struct nfs4_delegatio
void nfsd_forget_delegations(u64 num)
{
unsigned int count;
LIST_HEAD(victims);
struct nfs4_delegation *dp, *dnext;

spin_lock(&recall_lock);
count = nfsd_process_n_delegations(num, &victims);
spin_unlock(&recall_lock);

nfs4_lock_state();
count = nfsd_process_n_delegations(num, unhash_delegation);
list_for_each_entry_safe(dp, dnext, &victims, dl_recall_lru)
unhash_delegation(dp);
nfs4_unlock_state();

printk(KERN_INFO "NFSD: Forgot %d delegations", count);
Expand All @@ -4608,12 +4615,16 @@ void nfsd_forget_delegations(u64 num)
void nfsd_recall_delegations(u64 num)
{
unsigned int count;
LIST_HEAD(victims);
struct nfs4_delegation *dp, *dnext;

nfs4_lock_state();
spin_lock(&recall_lock);
count = nfsd_process_n_delegations(num, nfsd_break_one_deleg);
count = nfsd_process_n_delegations(num, &victims);
list_for_each_entry_safe(dp, dnext, &victims, dl_recall_lru) {
list_del(&dp->dl_recall_lru);
nfsd_break_one_deleg(dp);
}
spin_unlock(&recall_lock);
nfs4_unlock_state();

printk(KERN_INFO "NFSD: Recalled %d delegations", count);
}
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