diff options
| author | Steve French <stfrench@microsoft.com> | 2018-09-18 14:05:18 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2018-10-23 21:16:04 -0500 |
| commit | 00778e2294d560361e2ed4e94cc003351a2d82d9 (patch) | |
| tree | f0f9f7b0c1ea14705eb2fc183a6c053e553da8a3 /fs/cifs/cifsglob.h | |
| parent | 1c3a13a38a28c6ed84ff9220c1b8dadf5fbcf8a5 (diff) | |
| download | linux-00778e2294d560361e2ed4e94cc003351a2d82d9.tar.bz2 | |
smb3: add way to control slow response threshold for logging and stats
/proc/fs/cifs/Stats when CONFIG_CIFS_STATS2 is enabled logs 'slow'
responses, but depending on the server you are debugging a
one second timeout may be too fast, so allow setting it to
a larger number of seconds via new module parameter
/sys/module/cifs/parameters/slow_rsp_threshold
or via modprobe:
slow_rsp_threshold:Amount of time (in seconds) to wait before
logging that a response is delayed.
Default: 1 (if set to 0 disables msg). (uint)
Recommended values are 0 (disabled) to 32767 (9 hours) with
the default remaining as 1 second.
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 9dcaed031843..d59588e4aeb4 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -1715,6 +1715,7 @@ GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */ #ifdef CONFIG_CIFS_STATS2 GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */ GLOBAL_EXTERN atomic_t totSmBufAllocCount; +extern unsigned int slow_rsp_threshold; /* number of secs before logging */ #endif GLOBAL_EXTERN atomic_t smBufAllocCount; GLOBAL_EXTERN atomic_t midCount; |