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Message-Id: <20211105154334.1841927-6-alexandre.ghiti@canonical.com>
Date: Fri, 5 Nov 2021 16:43:32 +0100
From: Alexandre Ghiti <alexandre.ghiti@...onical.com>
To: Steve French <sfrench@...ba.org>, Jonathan Corbet <corbet@....net>,
David Howells <dhowells@...hat.com>,
Russell King <linux@...linux.org.uk>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Yoshinori Sato <ysato@...rs.sourceforge.jp>,
Rich Felker <dalias@...c.org>,
Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
Lee Jones <lee.jones@...aro.org>,
Jeff Layton <jlayton@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>,
Ronnie Sahlberg <lsahlber@...hat.com>,
Guenter Roeck <linux@...ck-us.net>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Lukas Bulwahn <lukas.bulwahn@...il.com>,
Luis Chamberlain <mcgrof@...nel.org>,
Kalle Valo <kvalo@...eaurora.org>, linux-cifs@...r.kernel.org,
samba-technical@...ts.samba.org, linux-doc@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-cachefs@...hat.com,
linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-sh@...r.kernel.org,
linux-power@...rohmeurope.com
Cc: Alexandre Ghiti <alexandre.ghiti@...onical.com>
Subject: [PATCH 5/7] Documentation, arch, fs: Remove leftovers from fscache object list
A few references to the fscache object list were left in the
Documentation, some arch defconfigs and in fs: remove them since this
config does not exists anymore.
Fixes: 58f386a73f16 ("fscache: Remove the object list procfile")
Signed-off-by: Alexandre Ghiti <alexandre.ghiti@...onical.com>
---
Documentation/filesystems/caching/fscache.rst | 89 -------------------
arch/arm/configs/axm55xx_defconfig | 1 -
fs/fscache/object.c | 3 -
fs/fscache/proc.c | 12 ---
4 files changed, 105 deletions(-)
diff --git a/Documentation/filesystems/caching/fscache.rst b/Documentation/filesystems/caching/fscache.rst
index 66e31a6d1070..7cedab444947 100644
--- a/Documentation/filesystems/caching/fscache.rst
+++ b/Documentation/filesystems/caching/fscache.rst
@@ -411,95 +411,6 @@ proc file.
+--------------+-------+-------------------------------------------------------+
-
-Object List
-===========
-
-If CONFIG_FSCACHE_OBJECT_LIST is enabled, the FS-Cache facility will maintain a
-list of all the objects currently allocated and allow them to be viewed
-through::
-
- /proc/fs/fscache/objects
-
-This will look something like::
-
- [root@...romeda ~]# head /proc/fs/fscache/objects
- OBJECT PARENT STAT CHLDN OPS OOP IPR EX READS EM EV F S | NETFS_COOKIE_DEF TY FL NETFS_DATA OBJECT_KEY, AUX_DATA
- ======== ======== ==== ===== === === === == ===== == == = = | ================ == == ================ ================
- 17e4b 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88001dd82820 010006017edcf8bbc93b43298fdfbe71e50b57b13a172c0117f38472, e567634700000000000000000000000063f2404a000000000000000000000000c9030000000000000000000063f2404a
- 1693a 2 ACTV 0 0 0 0 0 0 7b 4 0 0 | NFS.fh DT 0 ffff88002db23380 010006017edcf8bbc93b43298fdfbe71e50b57b1e0162c01a2df0ea6, 420ebc4a000000000000000000000000420ebc4a0000000000000000000000000e1801000000000000000000420ebc4a
-
-where the first set of columns before the '|' describe the object:
-
- ======= ===============================================================
- COLUMN DESCRIPTION
- ======= ===============================================================
- OBJECT Object debugging ID (appears as OBJ%x in some debug messages)
- PARENT Debugging ID of parent object
- STAT Object state
- CHLDN Number of child objects of this object
- OPS Number of outstanding operations on this object
- OOP Number of outstanding child object management operations
- IPR
- EX Number of outstanding exclusive operations
- READS Number of outstanding read operations
- EM Object's event mask
- EV Events raised on this object
- F Object flags
- S Object work item busy state mask (1:pending 2:running)
- ======= ===============================================================
-
-and the second set of columns describe the object's cookie, if present:
-
- ================ ======================================================
- COLUMN DESCRIPTION
- ================ ======================================================
- NETFS_COOKIE_DEF Name of netfs cookie definition
- TY Cookie type (IX - index, DT - data, hex - special)
- FL Cookie flags
- NETFS_DATA Netfs private data stored in the cookie
- OBJECT_KEY Object key } 1 column, with separating comma
- AUX_DATA Object aux data } presence may be configured
- ================ ======================================================
-
-The data shown may be filtered by attaching the a key to an appropriate keyring
-before viewing the file. Something like::
-
- keyctl add user fscache:objlist <restrictions> @s
-
-where <restrictions> are a selection of the following letters:
-
- == =========================================================
- K Show hexdump of object key (don't show if not given)
- A Show hexdump of object aux data (don't show if not given)
- == =========================================================
-
-and the following paired letters:
-
- == =========================================================
- C Show objects that have a cookie
- c Show objects that don't have a cookie
- B Show objects that are busy
- b Show objects that aren't busy
- W Show objects that have pending writes
- w Show objects that don't have pending writes
- R Show objects that have outstanding reads
- r Show objects that don't have outstanding reads
- S Show objects that have work queued
- s Show objects that don't have work queued
- == =========================================================
-
-If neither side of a letter pair is given, then both are implied. For example:
-
- keyctl add user fscache:objlist KB @s
-
-shows objects that are busy, and lists their object keys, but does not dump
-their auxiliary data. It also implies "CcWwRrSs", but as 'B' is given, 'b' is
-not implied.
-
-By default all objects and all fields will be shown.
-
-
Debugging
=========
diff --git a/arch/arm/configs/axm55xx_defconfig b/arch/arm/configs/axm55xx_defconfig
index b36e0b347d1f..c0ea326d4c5e 100644
--- a/arch/arm/configs/axm55xx_defconfig
+++ b/arch/arm/configs/axm55xx_defconfig
@@ -205,7 +205,6 @@ CONFIG_CUSE=y
CONFIG_FSCACHE=y
CONFIG_FSCACHE_STATS=y
CONFIG_FSCACHE_DEBUG=y
-CONFIG_FSCACHE_OBJECT_LIST=y
CONFIG_CACHEFILES=y
CONFIG_ISO9660_FS=y
CONFIG_UDF_FS=y
diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index 6a675652129b..f31257a74f35 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -321,9 +321,6 @@ void fscache_object_init(struct fscache_object *object,
object->cookie = cookie;
fscache_cookie_get(cookie, fscache_cookie_get_attach_object);
object->parent = NULL;
-#ifdef CONFIG_FSCACHE_OBJECT_LIST
- RB_CLEAR_NODE(&object->objlist_link);
-#endif
object->oob_event_mask = 0;
for (t = object->oob_table; t->events; t++)
diff --git a/fs/fscache/proc.c b/fs/fscache/proc.c
index 061df8f61ffc..4c327aeed91b 100644
--- a/fs/fscache/proc.c
+++ b/fs/fscache/proc.c
@@ -31,18 +31,9 @@ int __init fscache_proc_init(void)
goto error_stats;
#endif
-#ifdef CONFIG_FSCACHE_OBJECT_LIST
- if (!proc_create("fs/fscache/objects", S_IFREG | 0444, NULL,
- &fscache_objlist_proc_ops))
- goto error_objects;
-#endif
-
_leave(" = 0");
return 0;
-#ifdef CONFIG_FSCACHE_OBJECT_LIST
-error_objects:
-#endif
#ifdef CONFIG_FSCACHE_STATS
remove_proc_entry("fs/fscache/stats", NULL);
error_stats:
@@ -60,9 +51,6 @@ int __init fscache_proc_init(void)
*/
void fscache_proc_cleanup(void)
{
-#ifdef CONFIG_FSCACHE_OBJECT_LIST
- remove_proc_entry("fs/fscache/objects", NULL);
-#endif
#ifdef CONFIG_FSCACHE_STATS
remove_proc_entry("fs/fscache/stats", NULL);
#endif
--
2.32.0
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