reiserfs: Properly display mount options in /proc/mounts
Make reiserfs properly display mount options in /proc/mounts.
CC: reiserfs-devel@vger.kernel.org
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c
index d1aca1df..a945cd2 100644
--- a/fs/reiserfs/bitmap.c
+++ b/fs/reiserfs/bitmap.c
@@ -13,6 +13,7 @@
#include <linux/reiserfs_fs_sb.h>
#include <linux/reiserfs_fs_i.h>
#include <linux/quotaops.h>
+#include <linux/seq_file.h>
#define PREALLOCATION_SIZE 9
@@ -634,6 +635,96 @@
return 0;
}
+static void print_sep(struct seq_file *seq, int *first)
+{
+ if (!*first)
+ seq_puts(seq, ":");
+ else
+ *first = 0;
+}
+
+void show_alloc_options(struct seq_file *seq, struct super_block *s)
+{
+ int first = 1;
+
+ if (SB_ALLOC_OPTS(s) == ((1 << _ALLOC_skip_busy) |
+ (1 << _ALLOC_dirid_groups) | (1 << _ALLOC_packing_groups)))
+ return;
+
+ seq_puts(seq, ",alloc=");
+
+ if (TEST_OPTION(concentrating_formatted_nodes, s)) {
+ print_sep(seq, &first);
+ if (REISERFS_SB(s)->s_alloc_options.border != 10) {
+ seq_printf(seq, "concentrating_formatted_nodes=%d",
+ 100 / REISERFS_SB(s)->s_alloc_options.border);
+ } else
+ seq_puts(seq, "concentrating_formatted_nodes");
+ }
+ if (TEST_OPTION(displacing_large_files, s)) {
+ print_sep(seq, &first);
+ if (REISERFS_SB(s)->s_alloc_options.large_file_size != 16) {
+ seq_printf(seq, "displacing_large_files=%lu",
+ REISERFS_SB(s)->s_alloc_options.large_file_size);
+ } else
+ seq_puts(seq, "displacing_large_files");
+ }
+ if (TEST_OPTION(displacing_new_packing_localities, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "displacing_new_packing_localities");
+ }
+ if (TEST_OPTION(old_hashed_relocation, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "old_hashed_relocation");
+ }
+ if (TEST_OPTION(new_hashed_relocation, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "new_hashed_relocation");
+ }
+ if (TEST_OPTION(dirid_groups, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "dirid_groups");
+ }
+ if (TEST_OPTION(oid_groups, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "oid_groups");
+ }
+ if (TEST_OPTION(packing_groups, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "packing_groups");
+ }
+ if (TEST_OPTION(hashed_formatted_nodes, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "hashed_formatted_nodes");
+ }
+ if (TEST_OPTION(skip_busy, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "skip_busy");
+ }
+ if (TEST_OPTION(hundredth_slices, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "hundredth_slices");
+ }
+ if (TEST_OPTION(old_way, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "old_way");
+ }
+ if (TEST_OPTION(displace_based_on_dirid, s)) {
+ print_sep(seq, &first);
+ seq_puts(seq, "displace_based_on_dirid");
+ }
+ if (REISERFS_SB(s)->s_alloc_options.preallocmin != 0) {
+ print_sep(seq, &first);
+ seq_printf(seq, "preallocmin=%d",
+ REISERFS_SB(s)->s_alloc_options.preallocmin);
+ }
+ if (REISERFS_SB(s)->s_alloc_options.preallocsize != 17) {
+ print_sep(seq, &first);
+ seq_printf(seq, "preallocsize=%d",
+ REISERFS_SB(s)->s_alloc_options.preallocsize);
+ }
+}
+
static inline void new_hashed_relocation(reiserfs_blocknr_hint_t * hint)
{
char *hash_in;