svn commit: r189165 - stable/7/share/man/man9
Edward Tomasz Napierala
trasz at FreeBSD.org
Sat Feb 28 03:22:11 PST 2009
Author: trasz
Date: Sat Feb 28 11:22:09 2009
New Revision: 189165
URL: http://svn.freebsd.org/changeset/base/189165
Log:
MFC r188917:
Mention disk_gone() in disk(9).
Approved by: rwatson (mentor)
Modified:
stable/7/share/man/man9/ (props changed)
stable/7/share/man/man9/Makefile
stable/7/share/man/man9/disk.9
Modified: stable/7/share/man/man9/Makefile
==============================================================================
--- stable/7/share/man/man9/Makefile Sat Feb 28 11:20:37 2009 (r189164)
+++ stable/7/share/man/man9/Makefile Sat Feb 28 11:22:09 2009 (r189165)
@@ -559,7 +559,9 @@ MLINKS+=devstat.9 devicestat.9 \
devstat.9 devstat_end_transaction.9 \
devstat.9 devstat_remove_entry.9 \
devstat.9 devstat_start_transaction.9
-MLINKS+=disk.9 disk_create.9 \
+MLINKS+=disk.9 disk_alloc.9 \
+ disk.9 disk_create.9 \
+ disk.9 disk_gone.9 \
disk.9 disk_destroy.9
MLINKS+=domain.9 DOMAIN_SET.9 \
domain.9 net_add_domain.9 \
Modified: stable/7/share/man/man9/disk.9
==============================================================================
--- stable/7/share/man/man9/disk.9 Sat Feb 28 11:20:37 2009 (r189164)
+++ stable/7/share/man/man9/disk.9 Sat Feb 28 11:22:09 2009 (r189165)
@@ -40,6 +40,8 @@
.Ft void
.Fn disk_create "struct disk *disk" "int version"
.Ft void
+.Fn disk_gone "struct disk *disk"
+.Ft void
.Fn disk_destroy "struct disk *disk"
.Sh DESCRIPTION
The disk storage API permits kernel device drivers providing access to
@@ -65,6 +67,11 @@ function,
fill in the fields and call
.Fn disk_create
when the device is ready to service requests.
+.Fn disk_gone
+orphans all of the providers associated with the drive, setting an error
+condition of ENXIO in each one.
+In addition, it prevents a re-taste on last close for writing if an error
+condition has been set in the provider.
After calling
.Fn disk_destroy ,
the device driver is not allowed to access the contents of
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