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-rw-r--r--fs/pstore/inode.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 4d02c3b65061..fefd22611cf6 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -283,6 +283,16 @@ static void parse_options(char *options)
}
}
+/*
+ * Display the mount options in /proc/mounts.
+ */
+static int pstore_show_options(struct seq_file *m, struct dentry *root)
+{
+ if (kmsg_bytes != PSTORE_DEFAULT_KMSG_BYTES)
+ seq_printf(m, ",kmsg_bytes=%lu", kmsg_bytes);
+ return 0;
+}
+
static int pstore_remount(struct super_block *sb, int *flags, char *data)
{
sync_filesystem(sb);
@@ -296,7 +306,7 @@ static const struct super_operations pstore_ops = {
.drop_inode = generic_delete_inode,
.evict_inode = pstore_evict_inode,
.remount_fs = pstore_remount,
- .show_options = generic_show_options,
+ .show_options = pstore_show_options,
};
static struct super_block *pstore_sb;
@@ -448,8 +458,6 @@ static int pstore_fill_super(struct super_block *sb, void *data, int silent)
{
struct inode *inode;
- save_mount_options(sb, data);
-
pstore_sb = sb;
sb->s_maxbytes = MAX_LFS_FILESIZE;