en Copyright 2025 Java http://opengrok.net:8080/history/src/sys/geom/notes#69956de36f8c3c1b6615cf8e4a7e7e6738162951 Remove final cross-reference to GBDE List of files: /src/sys/geom/notes Tue, 07 May 2024 07:40:20 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#78d146160dc5339c9cdf7799551bcc442a6eb95b sys: Remove $FreeBSD$: one-line bare tagRemove /^\s*\$FreeBSD\$$\n/ List of files: /src/sys/geom/notes Wed, 16 Aug 2023 17:55:17 +0000 Warner Losh <imp@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#69956de36f8c3c1b6615cf8e4a7e7e6738162951 Remove final cross-reference to GBDE List of files: /src/sys/geom/notes Tue, 07 May 2024 07:40:20 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#78d146160dc5339c9cdf7799551bcc442a6eb95b sys: Remove $FreeBSD$: one-line bare tagRemove /^\s*\$FreeBSD\$$\n/ List of files: /src/sys/geom/notes Wed, 16 Aug 2023 17:55:17 +0000 Warner Losh <imp@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#5ae652c0ed19b11e5080de5145302f7723a2b61a For removable devices without media we set a zero mediasize but a non-zerosectorsize in order to avoid a lot of checks around various divisions etc.Enforce the sectorsize being > 0 with a KASSERT on successful open.Fix scsi_cd.c to return 2k sectors when no media inserted. List of files: /src/sys/geom/notes Sun, 05 Sep 2004 21:15:58 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#679c4aa68cefd7bb14bb098bd81d0d5702c0f6a1 A note about which #include files may be used where. List of files: /src/sys/geom/notes Sun, 23 Mar 2003 10:08:13 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#8a63edc3a1082a88f6b3415c6d1aa33a1992b536 Better names for struct disk elements: d_maxsize, d_stripeoffsetand d_stripesisze;Introduce si_stripesize and si_stripeoffset in struct cdev so wecan make the visible to clustering code.Add stripesize and stripeoffset to providers.DTRT with stripesize and stripeoffset in various places in GEOM. List of files: /src/sys/geom/notes Tue, 11 Feb 2003 14:57:34 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#cce7303af3e298a5c62c491c988687eb877d71f9 Update the statistics collection code to track busy time instead ofidle time.Statistics now default to "on" and can be turned off with sysctl kern.geom.collectstats=0Performance impact of statistics collection is on the order of800 nsec per consumer/provider set on a 700MHz Athlon. List of files: /src/sys/geom/notes Sun, 09 Feb 2003 17:04:57 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#801bb689ca8be76700b0c16c159683b5fa89472d Commit the correct copy of the g_stat structure.Add debug.sizeof.g_stat sysctl.Set the id field of the g_stat when we create consumers and providers.Remove biocount from consumer, we will use the counters in the g_statstructure instead. Replace one field which will need to be atomicallymanipulated with two fields which will not (stat.nop and stat.nend).Change add companion field to bio_children: bio_inbed for the exactsame reason.Don't output the biocount in the confdot output.Fix KASSERT in g_io_request().Add sysctl kern.geom.collectstats defaulting to off.Collect the following raw statistics conditioned on this sysctl: for each consumer and provider { total number of operations started. total number of operations completed. time last operation completed. sum of idle-time. for each of BIO_READ, BIO_WRITE and BIO_DELETE { number of operations completed. number of bytes completed. number of ENOMEM errors. number of other errors. sum of transaction time. } }API for getting hold of these statistics data not included yet. List of files: /src/sys/geom/notes Fri, 07 Feb 2003 23:08:24 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#69956de36f8c3c1b6615cf8e4a7e7e6738162951 Remove final cross-reference to GBDE List of files: /src/sys/geom/notes Tue, 07 May 2024 07:40:20 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#78d146160dc5339c9cdf7799551bcc442a6eb95b sys: Remove $FreeBSD$: one-line bare tagRemove /^\s*\$FreeBSD\$$\n/ List of files: /src/sys/geom/notes Wed, 16 Aug 2023 17:55:17 +0000 Warner Losh <imp@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#5ae652c0ed19b11e5080de5145302f7723a2b61a For removable devices without media we set a zero mediasize but a non-zerosectorsize in order to avoid a lot of checks around various divisions etc.Enforce the sectorsize being > 0 with a KASSERT on successful open.Fix scsi_cd.c to return 2k sectors when no media inserted. List of files: /src/sys/geom/notes Sun, 05 Sep 2004 21:15:58 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#679c4aa68cefd7bb14bb098bd81d0d5702c0f6a1 A note about which #include files may be used where. List of files: /src/sys/geom/notes Sun, 23 Mar 2003 10:08:13 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#8a63edc3a1082a88f6b3415c6d1aa33a1992b536 Better names for struct disk elements: d_maxsize, d_stripeoffsetand d_stripesisze;Introduce si_stripesize and si_stripeoffset in struct cdev so wecan make the visible to clustering code.Add stripesize and stripeoffset to providers.DTRT with stripesize and stripeoffset in various places in GEOM. List of files: /src/sys/geom/notes Tue, 11 Feb 2003 14:57:34 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#cce7303af3e298a5c62c491c988687eb877d71f9 Update the statistics collection code to track busy time instead ofidle time.Statistics now default to "on" and can be turned off with sysctl kern.geom.collectstats=0Performance impact of statistics collection is on the order of800 nsec per consumer/provider set on a 700MHz Athlon. List of files: /src/sys/geom/notes Sun, 09 Feb 2003 17:04:57 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#801bb689ca8be76700b0c16c159683b5fa89472d Commit the correct copy of the g_stat structure.Add debug.sizeof.g_stat sysctl.Set the id field of the g_stat when we create consumers and providers.Remove biocount from consumer, we will use the counters in the g_statstructure instead. Replace one field which will need to be atomicallymanipulated with two fields which will not (stat.nop and stat.nend).Change add companion field to bio_children: bio_inbed for the exactsame reason.Don't output the biocount in the confdot output.Fix KASSERT in g_io_request().Add sysctl kern.geom.collectstats defaulting to off.Collect the following raw statistics conditioned on this sysctl: for each consumer and provider { total number of operations started. total number of operations completed. time last operation completed. sum of idle-time. for each of BIO_READ, BIO_WRITE and BIO_DELETE { number of operations completed. number of bytes completed. number of ENOMEM errors. number of other errors. sum of transaction time. } }API for getting hold of these statistics data not included yet. List of files: /src/sys/geom/notes Fri, 07 Feb 2003 23:08:24 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#5ae652c0ed19b11e5080de5145302f7723a2b61a For removable devices without media we set a zero mediasize but a non-zerosectorsize in order to avoid a lot of checks around various divisions etc.Enforce the sectorsize being > 0 with a KASSERT on successful open.Fix scsi_cd.c to return 2k sectors when no media inserted. List of files: /src/sys/geom/notes Sun, 05 Sep 2004 21:15:58 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#679c4aa68cefd7bb14bb098bd81d0d5702c0f6a1 A note about which #include files may be used where. List of files: /src/sys/geom/notes Sun, 23 Mar 2003 10:08:13 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#8a63edc3a1082a88f6b3415c6d1aa33a1992b536 Better names for struct disk elements: d_maxsize, d_stripeoffsetand d_stripesisze;Introduce si_stripesize and si_stripeoffset in struct cdev so wecan make the visible to clustering code.Add stripesize and stripeoffset to providers.DTRT with stripesize and stripeoffset in various places in GEOM. List of files: /src/sys/geom/notes Tue, 11 Feb 2003 14:57:34 +0000 Poul-Henning Kamp <phk@FreeBSD.org> http://opengrok.net:8080/history/src/sys/geom/notes#cce7303af3e298a5c62c491c988687eb877d71f9 Update the statistics collection code to track busy time instead ofidle time.Statistics now default to "on" and can be turned off with sysctl kern.geom.collectstats=0Performance impact of statistics collection is on the order of800 nsec per consumer/provider set on a 700MHz Athlon. List of files: /src/sys/geom/notes Sun, 09 Feb 2003 17:04:57 +0000 Poul-Henning Kamp <phk@FreeBSD.org>