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-rw-r--r--fs/9p/v9fs.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 08f2e1e9a7e6..14da82564f4e 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -56,7 +56,7 @@ enum {
/* Options that take no arguments */
Opt_nodevmap,
/* Cache options */
- Opt_cache_loose, Opt_fscache,
+ Opt_cache_loose, Opt_fscache, Opt_mmap,
/* Access options */
Opt_access, Opt_posixacl,
/* Error token */
@@ -74,6 +74,7 @@ static const match_table_t tokens = {
{Opt_cache, "cache=%s"},
{Opt_cache_loose, "loose"},
{Opt_fscache, "fscache"},
+ {Opt_mmap, "mmap"},
{Opt_cachetag, "cachetag=%s"},
{Opt_access, "access=%s"},
{Opt_posixacl, "posixacl"},
@@ -91,6 +92,9 @@ static int get_cache_mode(char *s)
} else if (!strcmp(s, "fscache")) {
version = CACHE_FSCACHE;
p9_debug(P9_DEBUG_9P, "Cache mode: fscache\n");
+ } else if (!strcmp(s, "mmap")) {
+ version = CACHE_MMAP;
+ p9_debug(P9_DEBUG_9P, "Cache mode: mmap\n");
} else if (!strcmp(s, "none")) {
version = CACHE_NONE;
p9_debug(P9_DEBUG_9P, "Cache mode: none\n");
@@ -220,6 +224,9 @@ static int v9fs_parse_options(struct v9fs_session_info *v9ses, char *opts)
case Opt_fscache:
v9ses->cache = CACHE_FSCACHE;
break;
+ case Opt_mmap:
+ v9ses->cache = CACHE_MMAP;
+ break;
case Opt_cachetag:
#ifdef CONFIG_9P_FSCACHE
v9ses->cachetag = match_strdup(&args[0]);
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