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Message-ID: <a6eb2dae62abf49b351760a4f55031d1c6f4ea01.1666822928.git.nabijaczleweli@nabijaczleweli.xyz>
Date:   Thu, 27 Oct 2022 00:42:57 +0200
From:   наб <nabijaczleweli@...ijaczleweli.xyz>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Jonathan Corbet <corbet@....net>,
        Federico Vaga <federico.vaga@...a.pv.it>,
        Alex Shi <alexs@...nel.org>,
        Yanteng Si <siyanteng@...ngson.cn>,
        Hu Haowen <src.res@...il.cn>, Jan Harkes <jaharkes@...cmu.edu>,
        coda@...cmu.edu, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>, linux-doc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        linux-doc-tw-discuss@...ts.sourceforge.net,
        codalist@...a.cs.cmu.edu
Subject: [PATCH 05/15] coda: remove CODA_MAGIC

We have largely moved away from this approach,
and we have better debugging tooling nowadays: kill it

Ref: https://lore.kernel.org/linux-doc/YyMlovoskUcHLEb7@kroah.com/
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@...ijaczleweli.xyz>
---
 Documentation/process/magic-number.rst                    | 1 -
 Documentation/translations/it_IT/process/magic-number.rst | 1 -
 Documentation/translations/zh_CN/process/magic-number.rst | 1 -
 Documentation/translations/zh_TW/process/magic-number.rst | 1 -
 fs/coda/cnode.c                                           | 2 +-
 fs/coda/coda_fs_i.h                                       | 2 --
 fs/coda/file.c                                            | 1 -
 7 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst
index 18f8b1e3a993..335169e43be1 100644
--- a/Documentation/process/magic-number.rst
+++ b/Documentation/process/magic-number.rst
@@ -74,7 +74,6 @@ FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
 KV_MAGIC              0x5f4b565f       kernel_vars_s            ``arch/mips/include/asm/sn/klkernvars.h``
-CODA_MAGIC            0xC0DAC0DA       coda_file_info           ``fs/coda/coda_fs_i.h``
 CCB_MAGIC             0xf2691ad2       ccb                      ``drivers/scsi/ncr53c8xx.c``
 QUEUE_MAGIC_FREE      0xf7e1c9a3       queue_entry              ``drivers/scsi/arm/queue.c``
 QUEUE_MAGIC_USED      0xf7e1cc33       queue_entry              ``drivers/scsi/arm/queue.c``
diff --git a/Documentation/translations/it_IT/process/magic-number.rst b/Documentation/translations/it_IT/process/magic-number.rst
index 827167b18f15..699b681088ac 100644
--- a/Documentation/translations/it_IT/process/magic-number.rst
+++ b/Documentation/translations/it_IT/process/magic-number.rst
@@ -80,7 +80,6 @@ FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
 KV_MAGIC              0x5f4b565f       kernel_vars_s            ``arch/mips/include/asm/sn/klkernvars.h``
-CODA_MAGIC            0xC0DAC0DA       coda_file_info           ``fs/coda/coda_fs_i.h``
 CCB_MAGIC             0xf2691ad2       ccb                      ``drivers/scsi/ncr53c8xx.c``
 QUEUE_MAGIC_FREE      0xf7e1c9a3       queue_entry              ``drivers/scsi/arm/queue.c``
 QUEUE_MAGIC_USED      0xf7e1cc33       queue_entry              ``drivers/scsi/arm/queue.c``
diff --git a/Documentation/translations/zh_CN/process/magic-number.rst b/Documentation/translations/zh_CN/process/magic-number.rst
index 9553475e9867..d1ede86944f1 100644
--- a/Documentation/translations/zh_CN/process/magic-number.rst
+++ b/Documentation/translations/zh_CN/process/magic-number.rst
@@ -63,7 +63,6 @@ FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
 KV_MAGIC              0x5f4b565f       kernel_vars_s            ``arch/mips/include/asm/sn/klkernvars.h``
-CODA_MAGIC            0xC0DAC0DA       coda_file_info           ``fs/coda/coda_fs_i.h``
 CCB_MAGIC             0xf2691ad2       ccb                      ``drivers/scsi/ncr53c8xx.c``
 QUEUE_MAGIC_FREE      0xf7e1c9a3       queue_entry              ``drivers/scsi/arm/queue.c``
 QUEUE_MAGIC_USED      0xf7e1cc33       queue_entry              ``drivers/scsi/arm/queue.c``
diff --git a/Documentation/translations/zh_TW/process/magic-number.rst b/Documentation/translations/zh_TW/process/magic-number.rst
index 8a64f56ae267..1dd01f1e1c17 100644
--- a/Documentation/translations/zh_TW/process/magic-number.rst
+++ b/Documentation/translations/zh_TW/process/magic-number.rst
@@ -66,7 +66,6 @@ FASYNC_MAGIC          0x4601           fasync_struct            ``include/linux/
 SLIP_MAGIC            0x5302           slip                     ``drivers/net/slip.h``
 HDLCDRV_MAGIC         0x5ac6e778       hdlcdrv_state            ``include/linux/hdlcdrv.h``
 KV_MAGIC              0x5f4b565f       kernel_vars_s            ``arch/mips/include/asm/sn/klkernvars.h``
-CODA_MAGIC            0xC0DAC0DA       coda_file_info           ``fs/coda/coda_fs_i.h``
 CCB_MAGIC             0xf2691ad2       ccb                      ``drivers/scsi/ncr53c8xx.c``
 QUEUE_MAGIC_FREE      0xf7e1c9a3       queue_entry              ``drivers/scsi/arm/queue.c``
 QUEUE_MAGIC_USED      0xf7e1cc33       queue_entry              ``drivers/scsi/arm/queue.c``
diff --git a/fs/coda/cnode.c b/fs/coda/cnode.c
index 62a3d2565c26..e217cca338bd 100644
--- a/fs/coda/cnode.c
+++ b/fs/coda/cnode.c
@@ -157,7 +157,7 @@ struct coda_file_info *coda_ftoc(struct file *file)
 {
 	struct coda_file_info *cfi = file->private_data;
 
-	BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC);
+	BUG_ON(!cfi);
 
 	return cfi;
 
diff --git a/fs/coda/coda_fs_i.h b/fs/coda/coda_fs_i.h
index 1763ff95d865..9e4b54dbe7d7 100644
--- a/fs/coda/coda_fs_i.h
+++ b/fs/coda/coda_fs_i.h
@@ -35,9 +35,7 @@ struct coda_inode_info {
 /*
  * coda fs file private data
  */
-#define CODA_MAGIC 0xC0DAC0DA
 struct coda_file_info {
-	int		   cfi_magic;	  /* magic number */
 	struct file	  *cfi_container; /* container file for this cnode */
 	unsigned int	   cfi_mapcount;  /* nr of times this file is mapped */
 	bool		   cfi_access_intent; /* is access intent supported */
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 3f3c81e6b1ab..c23f846bf206 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -222,7 +222,6 @@ int coda_open(struct inode *coda_inode, struct file *coda_file)
 
 	host_file->f_flags |= coda_file->f_flags & (O_APPEND | O_SYNC);
 
-	cfi->cfi_magic = CODA_MAGIC;
 	cfi->cfi_mapcount = 0;
 	cfi->cfi_container = host_file;
 	/* assume access intents are supported unless we hear otherwise */
-- 
2.30.2

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