Documentation: CG_MAGIC isn't a magic number
authorнаб <nabijaczleweli@nabijaczleweli.xyz>
Thu, 15 Sep 2022 22:39:41 +0000 (00:39 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 24 Sep 2022 12:17:19 +0000 (14:17 +0200)
At least not in the sense described here: it delineates UFS cylinder
groups, is never assigned, and the only macro that incorporates it
(ufs_cg_chkmagic; the second one is unused) is used to detect CGs and
protect from filesystem corruption

Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Link: https://lore.kernel.org/r/a508477cfeb18eca4a24c29836f809fe34f20467.1663280877.git.nabijaczleweli@nabijaczleweli.xyz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Documentation/process/magic-number.rst
Documentation/translations/it_IT/process/magic-number.rst
Documentation/translations/zh_CN/process/magic-number.rst
Documentation/translations/zh_TW/process/magic-number.rst

index 478c3c0..b24bb1b 100644 (file)
@@ -78,7 +78,6 @@ MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/s
 TTY_DRIVER_MAGIC      0x5402           tty_driver               ``include/linux/tty_driver.h``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
-CG_MAGIC              0x00090255       ufs_cylinder_group       ``include/linux/ufs_fs.h``
 RIEBL_MAGIC           0x09051990                                ``drivers/net/atarilance.c``
 NBD_REQUEST_MAGIC     0x12560953       nbd_request              ``include/linux/nbd.h``
 BAYCOM_MAGIC          0x19730510       baycom_state             ``drivers/net/baycom_epp.c``
index 27846e1..4de7f75 100644 (file)
@@ -84,7 +84,6 @@ MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/s
 TTY_DRIVER_MAGIC      0x5402           tty_driver               ``include/linux/tty_driver.h``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
-CG_MAGIC              0x00090255       ufs_cylinder_group       ``include/linux/ufs_fs.h``
 RIEBL_MAGIC           0x09051990                                ``drivers/net/atarilance.c``
 NBD_REQUEST_MAGIC     0x12560953       nbd_request              ``include/linux/nbd.h``
 BAYCOM_MAGIC          0x19730510       baycom_state             ``drivers/net/baycom_epp.c``
index 8c4bef0..0aa97c9 100644 (file)
@@ -67,7 +67,6 @@ MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/s
 TTY_DRIVER_MAGIC      0x5402           tty_driver               ``include/linux/tty_driver.h``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
-CG_MAGIC              0x00090255       ufs_cylinder_group       ``include/linux/ufs_fs.h``
 RIEBL_MAGIC           0x09051990                                ``drivers/net/atarilance.c``
 NBD_REQUEST_MAGIC     0x12560953       nbd_request              ``include/linux/nbd.h``
 BAYCOM_MAGIC          0x19730510       baycom_state             ``drivers/net/baycom_epp.c``
index b071bd8..a24c3f0 100644 (file)
@@ -70,7 +70,6 @@ MGSL_MAGIC            0x5401           mgsl_info                ``drivers/char/s
 TTY_DRIVER_MAGIC      0x5402           tty_driver               ``include/linux/tty_driver.h``
 MGSLPC_MAGIC          0x5402           mgslpc_info              ``drivers/char/pcmcia/synclink_cs.c``
 FULL_DUPLEX_MAGIC     0x6969                                    ``drivers/net/ethernet/dec/tulip/de2104x.c``
-CG_MAGIC              0x00090255       ufs_cylinder_group       ``include/linux/ufs_fs.h``
 RIEBL_MAGIC           0x09051990                                ``drivers/net/atarilance.c``
 NBD_REQUEST_MAGIC     0x12560953       nbd_request              ``include/linux/nbd.h``
 BAYCOM_MAGIC          0x19730510       baycom_state             ``drivers/net/baycom_epp.c``