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| author | Suresh Jayaraman <sjayaraman@suse.de> | 2010-11-24 17:49:05 +0530 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2010-11-30 05:49:28 +0000 |
| commit | 607a569da4cf289fd8eb3887080ed3b212e3112d (patch) | |
| tree | 9e8e54738ebe1c80718ba67d44a7f736ba0af879 /fs | |
| parent | fbeba8bb16d7c50362e28f3f91a79fb414903199 (diff) | |
| download | linux-3.10-607a569da4cf289fd8eb3887080ed3b212e3112d.tar.gz linux-3.10-607a569da4cf289fd8eb3887080ed3b212e3112d.tar.bz2 linux-3.10-607a569da4cf289fd8eb3887080ed3b212e3112d.zip | |
cifs: allow fsc mount option only if CONFIG_CIFS_FSCACHE is set
Currently, it is possible to specify 'fsc' mount option even if
CONFIG_CIFS_FSCACHE has not been set. The option is being ignored silently
while the user fscache functionality to work. Fix this by raising error when
the CONFIG option is not set.
Reported-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/cifs/connect.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 251a17c0354..32fa4d9b5db 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1352,6 +1352,11 @@ cifs_parse_mount_options(char *options, const char *devname, "supported. Instead set " "/proc/fs/cifs/LookupCacheEnabled to 0\n"); } else if (strnicmp(data, "fsc", 3) == 0) { +#ifndef CONFIG_CIFS_FSCACHE + cERROR(1, "FS-Cache support needs CONFIG_CIFS_FSCACHE" + "kernel config option set"); + return 1; +#endif vol->fsc = true; } else if (strnicmp(data, "mfsymlinks", 10) == 0) { vol->mfsymlinks = true; |