diff options
| author | Samuel Cabrero <scabrero@suse.de> | 2020-11-30 21:02:54 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-12-14 18:16:23 +0300 |
| commit | 21077c62e178e637e6291c669d2681c9570f7a08 (patch) | |
| tree | d308beab6a22610d50b0b611aa87fb9af6344df9 /fs/cifs/cifs_swn.c | |
| parent | 20fab0da2f2df6de9acdfbdec622f6f2a24da422 (diff) | |
| download | linux-21077c62e178e637e6291c669d2681c9570f7a08.tar.xz | |
cifs: Send witness register messages to userspace daemon in echo task
If the daemon starts after mounting a share, or if it crashes, this
provides a mechanism to register again.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/cifs_swn.c')
| -rw-r--r-- | fs/cifs/cifs_swn.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/cifs/cifs_swn.c b/fs/cifs/cifs_swn.c index 140a53a19aa0..642c9eedc8ab 100644 --- a/fs/cifs/cifs_swn.c +++ b/fs/cifs/cifs_swn.c @@ -540,3 +540,18 @@ void cifs_swn_dump(struct seq_file *m) mutex_unlock(&cifs_swnreg_idr_mutex); seq_puts(m, "\n"); } + +void cifs_swn_check(void) +{ + struct cifs_swn_reg *swnreg; + int id; + int ret; + + mutex_lock(&cifs_swnreg_idr_mutex); + idr_for_each_entry(&cifs_swnreg_idr, swnreg, id) { + ret = cifs_swn_send_register_message(swnreg); + if (ret < 0) + cifs_dbg(FYI, "%s: Failed to send register message: %d\n", __func__, ret); + } + mutex_unlock(&cifs_swnreg_idr_mutex); +} |