cifs: display cache= option in /proc/mounts

...and deprecate the display of strictcache, forcedirectio, and fsc
as separate options.

Reviewed-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Jeff Layton <jlayton@redhat.com>

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index c45f170..f718d57 100644 (file)
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -328,6 +328,19 @@ cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server)
                seq_printf(s, "i");
 }
 
+static void
+cifs_show_cache_flavor(struct seq_file *s, struct cifs_sb_info *cifs_sb)
+{
+       seq_printf(s, ",cache=");
+
+       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO)
+               seq_printf(s, "strict");
+       else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO)
+               seq_printf(s, "none");
+       else
+               seq_printf(s, "loose");
+}
+
 /*
  * cifs_show_options() is for displaying mount options in /proc/mounts.
  * Not all settable options are displayed but most of the important
@@ -342,6 +355,7 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
        srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr;
 
        cifs_show_security(s, tcon->ses->server);
+       cifs_show_cache_flavor(s, cifs_sb);
 
        seq_printf(s, ",unc=%s", tcon->treeName);
 
@@ -407,8 +421,6 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
                seq_printf(s, ",rwpidforward");
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NOPOSIXBRL)
                seq_printf(s, ",forcemand");
-       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DIRECT_IO)
-               seq_printf(s, ",directio");
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
                seq_printf(s, ",nouser_xattr");
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR)
@@ -431,8 +443,6 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
                seq_printf(s, ",nostrictsync");
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM)
                seq_printf(s, ",noperm");
-       if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_STRICT_IO)
-               seq_printf(s, ",strictcache");
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPUID)
                seq_printf(s, ",backupuid=%u", cifs_sb->mnt_backupuid);
        if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_BACKUPGID)