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NFSv4 introduce max_connect mount options

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This option will control up to how many xprts can the client
establish to the server with a distinct address (that means
nconnect connections are not counted towards this new limit).
This patch is setting up nfs structures to keeep track of the
max_connect limit (does not enforce it).

The default value is kept at 1 so that no current mounts that
don't want any additional connections would be effected. The
maximum value is set at 16.

Mounts to DS are not limited to default value of 1 but instead
set to the maximum default value of 16 (NFS_MAX_TRANSPORTS).

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Olga Kornievskaia
2021-08-27 14:37:17 -04:00
committed by Anna Schumaker
parent df205d0a8e
commit 7e134205f6
7 changed files with 28 additions and 2 deletions
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5
include/linux/nfs_fs.h
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@@ -40,6 +40,11 @@
#include <linux/mempool.h>
/*
* These are the default for number of transports to different server IPs
*/
#define NFS_MAX_TRANSPORTS 16
/*
* These are the default flags for swap requests
*/