diff options
| author | Steve French <stfrench@microsoft.com> | 2022-08-11 08:53:00 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2022-08-12 04:03:04 +0300 |
| commit | 5efdd9122eff772eae2feae9f0fc0ec02d4846a3 (patch) | |
| tree | 14aa11d0dc51b6f62f8487bbc30729f386b3f7ea /fs/cifs/cifsfs.c | |
| parent | dcb45fd7f501f86481473bde14fa0a9069ad5cdc (diff) | |
| download | linux-5efdd9122eff772eae2feae9f0fc0ec02d4846a3.tar.xz | |
smb3: allow deferred close timeout to be configurable
Deferred close can be a very useful feature for allowing
caching data for read, and for minimizing the number of
reopens needed for a file that is repeatedly opened and
close but there are workloads where its default (1 second,
similar to actimeo/acregmax) is much too small.
Allow the user to configure the amount of time we can
defer sending the final smb3 close when we have a
handle lease on the file (rather than forcing it to depend
on value of actimeo which is often unrelated, and less safe).
Adds new mount parameter "closetimeo=" which is the maximum
number of seconds we can wait before sending an SMB3
close when we have a handle lease for it. Default value
also is set to slightly larger at 5 seconds (although some
other clients use larger default this should still help).
Suggested-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Reviewed-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/cifsfs.c')
| -rw-r--r-- | fs/cifs/cifsfs.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 945fb083cea7..f54d8bf2732a 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -693,6 +693,7 @@ cifs_show_options(struct seq_file *s, struct dentry *root) seq_printf(s, ",acdirmax=%lu", cifs_sb->ctx->acdirmax / HZ); seq_printf(s, ",acregmax=%lu", cifs_sb->ctx->acregmax / HZ); } + seq_printf(s, ",closetimeo=%lu", cifs_sb->ctx->closetimeo / HZ); if (tcon->ses->chan_max > 1) seq_printf(s, ",multichannel,max_channels=%zu", |