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authorTrond Myklebust <trond.myklebust@hammerspace.com>2023-09-09 12:23:01 -0400
committerTrond Myklebust <trond.myklebust@hammerspace.com>2023-10-22 19:47:56 -0400
commit5b9d31ae1c925bb5f15975e31b31ff5ae3c81f8f (patch)
tree2e21f19f67d0a968df1adfac76a405383c77dd96 /fs/nfs/nfs4_fs.h
parent05d3ef8bba77c1b5f98d941d8b2d4aeab8118ef1 (diff)
NFSv4: Add a parameter to limit the number of retries after NFS4ERR_DELAY
When using a 'softerr' mount, the NFSv4 client can get stuck waiting forever while the server just returns NFS4ERR_DELAY. Among other things, this causes the knfsd server threads to busy wait. Add a parameter that tells the NFSv4 client how many times to retry before giving up. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
-rw-r--r--fs/nfs/nfs4_fs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 47c5c1f86d66..97e91c33ca91 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -209,6 +209,7 @@ struct nfs4_exception {
struct inode *inode;
nfs4_stateid *stateid;
long timeout;
+ unsigned short retrans;
unsigned char task_is_privileged : 1;
unsigned char delay : 1,
recovering : 1,
@@ -546,6 +547,7 @@ extern unsigned short max_session_slots;
extern unsigned short max_session_cb_slots;
extern unsigned short send_implementation_id;
extern bool recover_lost_locks;
+extern short nfs_delay_retrans;
#define NFS4_CLIENT_ID_UNIQ_LEN (64)
extern char nfs4_client_id_uniquifier[NFS4_CLIENT_ID_UNIQ_LEN];