This patch makes reiserfs3 return f_fsid info for statfs(2). By Andreas' suggestion, this patch populates a persistent f_fsid between boots/mounts with help of on-disk uuid record. Signed-off-by: Coly Li <coly.li@xxxxxxx> Cc: reiserfs-devel@xxxxxxxxxxxxxxx --- fs/reiserfs/super.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index f3c820b..cb8e7ee 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -27,6 +27,7 @@ #include <linux/mnt_namespace.h> #include <linux/mount.h> #include <linux/namei.h> +#include <linux/crc32.h> struct file_system_type reiserfs_fs_type; @@ -1892,6 +1893,10 @@ static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf) buf->f_bsize = dentry->d_sb->s_blocksize; /* changed to accommodate gcc folks. */ buf->f_type = REISERFS_SUPER_MAGIC; + buf->f_fsid.val[0] = (u32)crc32_le(0, rs->s_uuid, sizeof(rs->s_uuid)/2); + buf->f_fsid.val[1] = (u32)crc32_le(0, rs->s_uuid + sizeof(rs->s_uuid)/2, + sizeof(rs->s_uuid)/2); + return 0; } -- Coly Li SuSE Labs -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
