fs: fix undefined behavior in bit shift for SB_NOUSER

[sfrench/cifs-2.6.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 21a98168085641d2ca0f7d6e20e4e279755bbf57..133f0640fb2411478a2dbaacbbee0fec9336c27b 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1076,29 +1076,29 @@ extern int send_sigurg(struct fown_struct *fown);
  * sb->s_flags.  Note that these mirror the equivalent MS_* flags where
  * represented in both.
  */
-#define SB_RDONLY       1      /* Mount read-only */
-#define SB_NOSUID       2      /* Ignore suid and sgid bits */
-#define SB_NODEV        4      /* Disallow access to device special files */
-#define SB_NOEXEC       8      /* Disallow program execution */
-#define SB_SYNCHRONOUS 16      /* Writes are synced at once */
-#define SB_MANDLOCK    64      /* Allow mandatory locks on an FS */
-#define SB_DIRSYNC     128     /* Directory modifications are synchronous */
-#define SB_NOATIME     1024    /* Do not update access times. */
-#define SB_NODIRATIME  2048    /* Do not update directory access times */
-#define SB_SILENT      32768
-#define SB_POSIXACL    (1<<16) /* VFS does not apply the umask */
-#define SB_INLINECRYPT (1<<17) /* Use blk-crypto for encrypted files */
-#define SB_KERNMOUNT   (1<<22) /* this is a kern_mount call */
-#define SB_I_VERSION   (1<<23) /* Update inode I_version field */
-#define SB_LAZYTIME    (1<<25) /* Update the on-disk [acm]times lazily */
+#define SB_RDONLY       BIT(0) /* Mount read-only */
+#define SB_NOSUID       BIT(1) /* Ignore suid and sgid bits */
+#define SB_NODEV        BIT(2) /* Disallow access to device special files */
+#define SB_NOEXEC       BIT(3) /* Disallow program execution */
+#define SB_SYNCHRONOUS  BIT(4) /* Writes are synced at once */
+#define SB_MANDLOCK     BIT(6) /* Allow mandatory locks on an FS */
+#define SB_DIRSYNC      BIT(7) /* Directory modifications are synchronous */
+#define SB_NOATIME      BIT(10)        /* Do not update access times. */
+#define SB_NODIRATIME   BIT(11)        /* Do not update directory access times */
+#define SB_SILENT       BIT(15)
+#define SB_POSIXACL     BIT(16)        /* VFS does not apply the umask */
+#define SB_INLINECRYPT  BIT(17)        /* Use blk-crypto for encrypted files */
+#define SB_KERNMOUNT    BIT(22)        /* this is a kern_mount call */
+#define SB_I_VERSION    BIT(23)        /* Update inode I_version field */
+#define SB_LAZYTIME     BIT(25)        /* Update the on-disk [acm]times lazily */
 
 /* These sb flags are internal to the kernel */
-#define SB_SUBMOUNT     (1<<26)
-#define SB_FORCE       (1<<27)
-#define SB_NOSEC       (1<<28)
-#define SB_BORN                (1<<29)
-#define SB_ACTIVE      (1<<30)
-#define SB_NOUSER      (1<<31)
+#define SB_SUBMOUNT     BIT(26)
+#define SB_FORCE        BIT(27)
+#define SB_NOSEC        BIT(28)
+#define SB_BORN         BIT(29)
+#define SB_ACTIVE       BIT(30)
+#define SB_NOUSER       BIT(31)
 
 /* These flags relate to encoding and casefolding */
 #define SB_ENC_STRICT_MODE_FL  (1 << 0)