fat: Fix stat->f_namelen

I found that the length of a file name when created cannot exceed 255
characters, yet, pathconf(), via statfs(), returns the maximum as 260.

Signed-off-by: Kevin Dankwardt <k@kcomputing.com>
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index ce38f1caa5e1..34066e65fdeb 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -15,6 +15,7 @@
 #define MSDOS_DPB_BITS  4               /* log2(MSDOS_DPB) */
 #define MSDOS_DPS       (SECTOR_SIZE / sizeof(struct msdos_dir_entry))
 #define MSDOS_DPS_BITS  4               /* log2(MSDOS_DPS) */
+#define MSDOS_LONGNAME  256             /* maximum name length */
 #define CF_LE_W(v)      le16_to_cpu(v)
 #define CF_LE_L(v)      le32_to_cpu(v)
 #define CT_LE_W(v)      cpu_to_le16(v)
@@ -47,8 +48,8 @@
 #define DELETED_FLAG    0xe5    /* marks file as deleted when in name[0] */
 #define IS_FREE(n)      (!*(n) || *(n) == DELETED_FLAG)
 
+#define FAT_LFN_LEN     255     /* maximum long name length */
 #define MSDOS_NAME      11      /* maximum name length */
-#define MSDOS_LONGNAME  256     /* maximum name length */
 #define MSDOS_SLOTS     21      /* max # of slots for short and long names */
 #define MSDOS_DOT       ".          "   /* ".", padded to MSDOS_NAME chars */
 #define MSDOS_DOTDOT    "..         "   /* "..", padded to MSDOS_NAME chars */