November 2018 - lvm2-commits - Fedora Mailing-Lists

by David Teigland

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=38770db19b3c77e83e4... Commit: 38770db19b3c77e83e4e451f12ba3cd134c09f05 Parent: 2f02e8d33ae908b1db523fac1690a4c9246daee2 Author: David Teigland <teigland(a)redhat.com> AuthorDate: Tue Nov 6 16:14:59 2018 -0600 Committer: David Teigland <teigland(a)redhat.com> CommitterDate: Thu Nov 8 15:48:36 2018 -0600 man: lvmcache update for cache changes including writecache --- man/lvmcache.7_main | 519 +++++++++++++++++++++++---------------------------- 1 files changed, 230 insertions(+), 289 deletions(-) diff --git a/man/lvmcache.7_main b/man/lvmcache.7_main index 6672ad3..1e2acf4 100644 --- a/man/lvmcache.7_main +++ b/man/lvmcache.7_main @@ -4,423 +4,364 @@ lvmcache \(em LVM caching .SH DESCRIPTION -An \fBlvm\fP(8) \fBcache\fP Logical Volume (LV) uses a small and -fast LV to improve the performance of a large and slow LV. It does this -by storing the frequently used blocks on the faster LV. -LVM refers to the small fast LV as a \fBcache pool LV\fP. The large -slow LV is called the \fBorigin LV\fP. Due to requirements from dm-cache -(the kernel driver), LVM further splits the cache pool LV into two -devices - the \fBcache data LV\fP and \fBcache metadata LV\fP. The cache -data LV is where copies of data blocks are kept from the -origin LV to increase speed. The cache metadata LV holds the -accounting information that specifies where data blocks are stored (e.g. -on the origin LV or on the cache data LV). Users should be familiar with -these LVs if they wish to create the best and most robust cached -LVs. All of these associated LVs must be in the same Volume -Group (VG). - -.SH Cache Terms -.nf -origin LV OriginLV large slow LV -cache data LV CacheDataLV small fast LV for cache pool data -cache metadata LV CacheMetaLV small fast LV for cache pool metadata -cache pool LV CachePoolLV CacheDataLV + CacheMetaLV -cache LV CacheLV OriginLV + CachePoolLV -.fi +\fBlvm\fP(8) includes two kinds of caching that can be used to improve the +performance of a Logical Volume (LV). Typically, a smaller, faster device +is used to improve i/o performance of a larger, slower LV. To do this, a +separate LV is created from the faster device, and then the original LV is +converted to start using the fast LV. -.SH Cache Usage +The two kinds of caching are: -The primary method for using a cache type LV: +.IP \[bu] 2 +A read and write hot-spot cache, using the dm-cache kernel module. This +cache is slow moving, and adjusts the cache content over time so that the +most used parts of the LV are kept on the faster device. Both reads and +writes use the cache. LVM refers to this using the LV type \fBcache\fP. +.IP \[bu] 2 +A streaming write cache, using the dm-writecache kernel module. This +cache is intended to be used with SSD or PMEM devices to speed up all +writes to an LV. Reads do not use this cache. LVM refers to this using +the LV type \fBwritecache\fP. -.SS 0. create OriginLV +.SH USAGE -Create an LV or identify an existing LV to be the origin LV. +Both kinds of caching use similar lvm commands: -.B lvcreate -n OriginLV -L LargeSize VG SlowPVs +.B 1. Identify main LV that needs caching -.I Example -.br -# lvcreate -n lvol0 -L 100G vg /dev/slow +A main LV exists on slower devices. +.nf + $ lvcreate -n main -L Size vg /dev/slow +.fi -.SS 1. create CacheDataLV +.B 2. Identify fast LV to use as the cache -Create the cache data LV. This LV will hold data blocks from the -OriginLV. The size of this LV is the size of the cache and will be -reported as the size of the cache pool LV. +A fast LV exists on faster devices. This LV will be used to hold the +cache. -.B lvcreate -n CacheDataLV -L CacheSize VG FastPVs +.nf + $ lvcreate -n fast -L Size vg /dev/fast -.I Example -.br -# lvcreate -n cache0 -L 10G vg /dev/fast + $ lvs vg -o+devices + LV VG Attr LSize Devices + fast vg -wi------- xx.00m /dev/fast(0) + main vg -wi------- yyy.00m /dev/slow(0) +.fi +.B 3. Start caching the main LV -.SS 2. create CacheMetaLV +To start caching the main LV using the fast LV, convert the main LV to the +desired caching type, and specify the fast LV to use: -Create the cache metadata LV. This LV will hold cache pool metadata. The -size of this LV should be 1000 times smaller than the cache data LV, with -a minimum size of 8MiB. +.nf +using dm-cache: -.B lvcreate -n CacheMetaLV -L MetaSize VG FastPVs + $ lvconvert --type cache --cachepool fast vg/main -.I Example -.br -# lvcreate -n cache0meta -L 12M vg /dev/fast +or dm-writecache: -.nf -# lvs -a vg - LV VG Attr LSize Pool Origin - cache0 vg -wi-a----- 10.00g - cache0meta vg -wi-a----- 12.00m - lvol0 vg -wi-a----- 100.00g + $ lvconvert --type writecache --cachepool fast vg/main .fi +.B 4. Display LVs -.SS 3. create CachePoolLV +Once the fast LV has been attached to the main LV, lvm reports the main LV +type as either \fBcache\fP or \fBwritecache\fP depending on the type used. +While attached, the fast LV is hidden, and only displayed when lvs is +given -a. The _corig or _wcorig LV represents the original LV without the +cache. -Combine the data and metadata LVs into a cache pool LV. -The behavior of the cache pool LV can be set in this step. -.br -CachePoolLV takes the name of CacheDataLV. -.br -CacheDataLV is renamed CachePoolLV_cdata and becomes hidden. -.br -CacheMetaLV is renamed CachePoolLV_cmeta and becomes hidden. +.nf +using dm-cache: -.B lvconvert --type cache-pool --poolmetadata VG/CacheMetaLV -.RS -.B VG/CacheDataLV -.RE + $ lvs -a -o name,vgname,lvattr,origin,segtype,devices vg + LV VG Attr Origin Type Devices + [fast] vg Cwi-aoC--- linear /dev/fast(xx) + main vg Cwi-a-C--- [main_corig] cache main_corig(0) + [main_corig] vg owi-aoC--- linear /dev/slow(0) -.I Example -.br -# lvconvert --type cache-pool --poolmetadata vg/cache0meta vg/cache0 +or dm-writecache: -.nf -# lvs -a vg - LV VG Attr LSize Pool Origin - cache0 vg Cwi---C--- 10.00g - [cache0_cdata] vg Cwi------- 10.00g - [cache0_cmeta] vg ewi------- 12.00m - lvol0 vg -wi-a----- 100.00g + $ lvs -a -o name,vgname,lvattr,origin,segtype,devices vg + LV VG Attr Origin Type Devices + [fast] vg -wi-ao---- linear /dev/fast(xx) + main vg Cwi-a----- [main_wcorig] writecache main_wcorig(0) + [main_wcorig] vg -wi-ao---- linear /dev/slow(0) .fi +.B 5. Use the main LV -.SS 4. create CacheLV +Use the LV until the cache is no longer wanted, or needs to be changed. -Create a cache LV by linking the cache pool LV to the origin LV. -The user accessible cache LV takes the name of the origin LV, -while the origin LV becomes a hidden LV with the name -OriginLV_corig. This can be done while the origin LV is in use. -.br -CacheLV takes the name of OriginLV. -.br -OriginLV is renamed OriginLV_corig and becomes hidden. +.B 6. Stop caching -.B lvconvert --type cache --cachepool VG/CachePoolLV VG/OriginLV - -.I Example -.br -# lvconvert --type cache --cachepool vg/cache0 vg/lvol0 +To stop caching the main LV, separate the fast LV from the main LV. This +changes the type of the main LV back to what it was before the cache was +attached. .nf -# lvs -a vg - LV VG Attr LSize Pool Origin - cache0 vg Cwi---C--- 10.00g - [cache0_cdata] vg Cwi-ao---- 10.00g - [cache0_cmeta] vg ewi-ao---- 12.00m - lvol0 vg Cwi-a-C--- 100.00g cache0 [lvol0_corig] - [lvol0_corig] vg -wi-ao---- 100.00g + $ lvconvert --splitcache vg/main .fi -.SH Cache Removal - -.SS Split a cache pool LV off of a cache LV +.SH OPTIONS \& -A cache pool LV can be disconnected from a cache LV, leaving an -unused cache pool LV, and an uncached origin LV. This command -writes back data from the cache pool to the origin LV when necessary. - -.B lvconvert --splitcache VG/CacheLV - -.SS Removing a cache pool LV without removing its linked origin LV +.SS dm-writecache block size \& -This writes back data from the cache pool to the origin LV when necessary, -then removes the cache pool LV, leaving the uncached origin LV. - -.B lvremove VG/CachePoolLV +The dm-writecache block size can be 4096 bytes (the default), or 512 +bytes. The default 4096 has better performance and should be used except +when 512 is necessary for compatibility. The dm-writecache block size is +specified with --writecacheblocksize 4096b|512b when caching is started. -An alternative command that also disconnects the cache pool from the cache -LV, and deletes the cache pool: +When a file system like xfs already exists on the main LV prior to +caching, and the file system is using a block size of 512, then the +writecache block size should be set to 512. (The file system will likely +fail to mount if writecache block size of 4096 is used in this case.) -.B lvconvert --uncache VG/CacheLV +Check the xfs sector size while the fs is mounted: -.I Example .nf -# lvs vg - LV VG Attr LSize Pool Origin - cache0 vg Cwi---C--- 10.00g - lvol0 vg Cwi-a-C--- 100.00g cache0 [lvol0_corig] +$ xfs_info /dev/vg/main +Look for sectsz=512 or sectsz=4096 +.fi -# lvremove vg/cache0 +The writecache block size should be chosen to match the xfs sectsz value. -# lvs vg - LV VG Attr LSize Pool Origin - lvol0 vg -wi-a----- 100.00g -.fi +It is also possible to specify a sector size of 4096 to mkfs.xfs when +creating the file system. In this case the writecache block size of 4096 +can be used. -.SS Removing a cache LV: both origin LV and the cache pool LV +.SS dm-writecache settings \& -Removing a cache LV removes both the origin LV and the linked cache pool -LV. +Tunable parameters can be passed to the dm-writecache kernel module using +the --cachesettings option when caching is started, e.g. -.B lvremove VG/CacheLV +.nf +$ lvconvert --type writecache --cachepool fast \\ + --cachesettings 'high_watermark=N writeback_jobs=N' vg/main +.fi +Tunable options are: -.SH Cache Topics +.IP \[bu] 2 +high_watermark = <count> -.SS Tolerate device failures in a cache pool LV +Start writeback when the number of used blocks reach this watermark -\& +.IP \[bu] 2 +low_watermark = <count> -Users who are concerned about the possibility of failures in their fast -devices that could lead to data loss might consider making their cache -pool sub-LVs redundant. +Stop writeback when the number of used blocks drops below this watermark -.I Example -.nf -0. Create an origin LV we wish to cache -# lvcreate -L 10G -n lv1 vg /dev/slow +.IP \[bu] 2 +writeback_jobs = <count> -1. Create a 2-way RAID1 cache data LV -# lvcreate --type raid1 -m 1 -L 1G -n cache1 vg \\ - /dev/fast1 /dev/fast2 +Limit the number of blocks that are in flight during writeback. Setting +this value reduces writeback throughput, but it may improve latency of +read requests. -2. Create a 2-way RAID1 cache metadata LV -# lvcreate --type raid1 -m 1 -L 8M -n cache1meta vg \\ - /dev/fast1 /dev/fast2 +.IP \[bu] 2 +autocommit_blocks = <count> -3. Create a cache pool LV combining cache data LV and cache metadata LV -# lvconvert --type cache-pool --poolmetadata vg/cache1meta vg/cache1 +When the application writes this amount of blocks without issuing the +FLUSH request, the blocks are automatically commited. -4. Create a cached LV by combining the cache pool LV and origin LV -# lvconvert --type cache --cachepool vg/cache1 vg/lv1 -.fi +.IP \[bu] 2 +autocommit_time = <milliseconds> -.SS Cache mode +The data is automatically commited if this time passes and no FLUSH +request is received. -\& +.IP \[bu] 2 +fua = 0|1 -The default cache mode is "writethrough". Writethrough ensures that any -data written will be stored both in the cache pool LV and on the origin -LV. The loss of a device associated with the cache pool LV in this case -would not mean the loss of any data. +Use the FUA flag when writing data from persistent memory back to the +underlying device. +Applicable only to persistent memory. -A second cache mode is "writeback". Writeback delays writing data blocks -from the cache pool back to the origin LV. This mode will increase -performance, but the loss of a device associated with the cache pool LV -can result in lost data. - -With the --cachemode option, the cache mode can be set when creating a -cache LV, or changed on an existing cache LV. The current cache mode of a -cache LV can be displayed with the cache_mode reporting option: +.IP \[bu] 2 +nofua = 0|1 -.B lvs -o+cache_mode VG/CacheLV +Don't use the FUA flag when writing back data and send the FLUSH request +afterwards. Some underlying devices perform better with fua, some with +nofua. Testing is necessary to determine which. +Applicable only to persistent memory. -.BR lvm.conf (5) -.B allocation/cache_mode -.br -defines the default cache mode. -.I Example -.nf -0. Create an origin LV we wish to cache (yours may already exist) -# lvcreate -L 10G -n lv1 vg /dev/slow +.SS dm-cache with separate data and metadata LVs -1. Create a cache data LV -# lvcreate -L 1G -n cache1 vg /dev/fast +\& -2. Create a cache metadata LV -# lvcreate -L 8M -n cache1meta vg /dev/fast +When using dm-cache, the cache metadata and cache data can be stored on +separate LVs. To do this, a "cache-pool LV" is created, which is a +special LV that references two sub LVs, one for data and one for metadata. -3. Create a cache pool LV -# lvconvert --type cache-pool --poolmetadata vg/cache1meta vg/cache1 +To create a cache-pool LV from two separate LVs: -4. Create a cache LV by combining the cache pool LV and origin LV, - and use the writethrough cache mode. -# lvconvert --type cache --cachepool vg/cache1 \\ - --cachemode writethrough vg/lv1 +.nf +$ lvcreate -n fastpool -L DataSize vg /dev/fast1 +$ lvcreate -n fastpoolmeta -L MetadataSize vg /dev/fast2 +$ lvconvert --type cache-pool --poolmetadata fastpoolmeta vg/fastpool .fi +Then use the cache-pool LV to start caching the main LV: -.SS Cache policy +.nf +$ lvconvert --type cache --cachepool fastpool vg/main +.fi -\& +A variation of the same procedure automatically creates a cache-pool when +caching is started. To do this, use a standard LV as the --cachepool +(this will hold cache data), and use another standard LV as the +--poolmetadata (this will hold cache metadata). LVM will create a +cache-pool LV from the two specified LVs, and use the cache-pool to start +caching the main LV. -The cache subsystem has additional per-LV parameters: the cache policy to -use, and possibly tunable parameters for the cache policy. Three policies -are currently available: "smq" is the default policy, "mq" is an older -implementation, and "cleaner" is used to force the cache to write back -(flush) all cached writes to the origin LV. +.nf +$ lvcreate -n fastpool -L DataSize vg /dev/fast1 +$ lvcreate -n fastpoolmeta -L MetadataSize vg /dev/fast2 +$ lvconvert --type cache --cachepool fastpool \\ + --poolmetadata fastpoolmeta vg/main +.fi -The "mq" policy has a number of tunable parameters. The defaults are -chosen to be suitable for the majority of systems, but in special -circumstances, changing the settings can improve performance. +.SS dm-cache cache modes -With the --cachepolicy and --cachesettings options, the cache policy -and settings can be set when creating a cache LV, or changed on an -existing cache LV (both options can be used together). The current cache -policy and settings of a cache LV can be displayed with the cache_policy -and cache_settings reporting options: +\& -.B lvs -o+cache_policy,cache_settings VG/CacheLV +The default dm-cache cache mode is "writethrough". Writethrough ensures +that any data written will be stored both in the cache and on the origin +LV. The loss of a device associated with the cache in this case would not +mean the loss of any data. -.I Example -.nf -Change the cache policy and settings of an existing cache LV. -# lvchange --cachepolicy mq --cachesettings \\ - \(aqmigration_threshold=2048 random_threshold=4\(aq vg/lv1 -.fi +A second cache mode is "writeback". Writeback delays writing data blocks +from the cache back to the origin LV. This mode will increase +performance, but the loss of a cache device can result in lost data. -.BR lvm.conf (5) -.B allocation/cache_policy -.br -defines the default cache policy. +With the --cachemode option, the cache mode can be set when caching is +started, or changed on an LV that is already cached. The current cache +mode can be displayed with the cache_mode reporting option: + +.B lvs -o+cache_mode VG/LV .BR lvm.conf (5) -.B allocation/cache_settings +.B allocation/cache_mode .br -defines the default cache settings. +defines the default cache mode. +.nf +$ lvconvert --type cache --cachepool fast \\ + --cachemode writethrough vg/main +.nf -.SS Chunk size +.SS dm-cache chunk size \& -The size of data blocks managed by a cache pool can be specified with the ---chunksize option when the cache LV is created. The default unit -is KiB. The value must be a multiple of 32KiB between 32KiB and 1GiB. +The size of data blocks managed by dm-cache can be specified with the +--chunksize option when caching is started. The default unit is KiB. The +value must be a multiple of 32KiB between 32KiB and 1GiB. Using a chunk size that is too large can result in wasteful use of the -cache, where small reads and writes can cause large sections of an LV to -be mapped into the cache. However, choosing a chunk size that is too -small can result in more overhead trying to manage the numerous chunks -that become mapped into the cache. Overhead can include both excessive -CPU time searching for chunks, and excessive memory tracking chunks. +cache, in which small reads and writes cause large sections of an LV to be +stored in the cache. However, choosing a chunk size that is too small +can result in more overhead trying to manage the numerous chunks that +become mapped into the cache. Overhead can include both excessive CPU +time searching for chunks, and excessive memory tracking chunks. -Command to display the cache pool LV chunk size: +Command to display the chunk size: .br -.B lvs -o+chunksize VG/CacheLV +.B lvs -o+chunksize VG/LV .BR lvm.conf (5) .B cache_pool_chunk_size .br -controls the default chunk size used when creating a cache LV. +controls the default chunk size. The default value is shown by: .br .B lvmconfig --type default allocation/cache_pool_chunk_size -.SS Spare metadata LV - -\& - -See -.BR lvmthin (7) -for a description of the "pool metadata spare" LV. -The same concept is used for cache pools. - -.SS Automatic pool metadata LV +.SS dm-cache cache policy \& -A cache data LV can be converted to cache pool LV without specifying a -cache pool metadata LV. LVM will automatically create a metadata LV from -the same VG. +The dm-cache subsystem has additional per-LV parameters: the cache policy +to use, and possibly tunable parameters for the cache policy. Three +policies are currently available: "smq" is the default policy, "mq" is an +older implementation, and "cleaner" is used to force the cache to write +back (flush) all cached writes to the origin LV. -.B lvcreate -n CacheDataLV -L CacheSize VG -.br -.B lvconvert --type cache-pool VG/CacheDataLV +The older "mq" policy has a number of tunable parameters. The defaults are +chosen to be suitable for the majority of systems, but in special +circumstances, changing the settings can improve performance. +With the --cachepolicy and --cachesettings options, the cache policy and +settings can be set when caching is started, or changed on an existing +cached LV (both options can be used together). The current cache policy +and settings can be displayed with the cache_policy and cache_settings +reporting options: -.SS Create a new cache LV without an existing origin LV +.B lvs -o+cache_policy,cache_settings VG/LV -\& +.nf +Change the cache policy and settings of an existing LV. -A cache LV can be created using an existing cache pool without an existing -origin LV. A new origin LV is created and linked to the cache pool in a -single step. +$ lvchange --cachepolicy mq --cachesettings \\ + \(aqmigration_threshold=2048 random_threshold=4\(aq vg/main +.fi -.B lvcreate --type cache -L LargeSize -n CacheLV -.RS -.B --cachepool VG/CachePoolLV VG SlowPVs -.RE +.BR lvm.conf (5) +.B allocation/cache_policy +.br +defines the default cache policy. +.BR lvm.conf (5) +.B allocation/cache_settings +.br +defines the default cache settings. -.SS Single step cache pool LV creation +.SS dm-cache spare metadata LV \& -A cache pool LV can be created with a single lvcreate command, rather than -using lvconvert on existing LVs. This one command creates a cache data -LV, a cache metadata LV, and combines the two into a cache pool LV. - -.B lvcreate --type cache-pool -L CacheSize -n CachePoolLV VG FastPVs - +See +.BR lvmthin (7) +for a description of the "pool metadata spare" LV. +The same concept is used for cache pools. -.SS Convert existing LVs to cache types +.SS dm-cache metadata formats \& -When an existing origin LV is converted to a cache LV, the specified cache -pool may be a normal LV, rather than a cache pool LV. In this case, lvm -will first convert the normal LV to a cache pool LV. A pool metadata LV -may optionally be specified. - -.B lvcreate -n OriginLV -L LargeSize VG -.br -.B lvcreate -n CacheDataLV -L CacheSize VG -.br -.B lvconvert --type cache --cachepool VG/CataDataLV VG/OriginLV +There are two disk formats for dm-cache metadata. The metadata format can +be specified with --cachemetadataformat when caching is started, and +cannot be changed. Format \fB2\fP has better performance; it is more +compact, and stores dirty bits in a separate btree, which improves the +speed of shutting down the cache. With \fBauto\fP, lvm selects the best +option provided by the current dm-cache kernel module. -This is equivalent to: - -.B lvcreate -n OriginLV -L LargeSize VG -.br -.B lvcreate -n CacheDataLV -L CacheSize VG -.br -.B lvconvert --type cache-pool VG/CacheDataLV -.br -.B lvconvert --type cache --cachepool VG/CachePoolLV VG/OriginLV - - -.SS Cache metadata formats +.SS mirrored cache device \& -There are two disk formats for cache metadata. The metadata format can be -specified when a cache pool is created, and cannot be changed. -Format \fB2\fP has better performance; it is more compact, and stores -dirty bits in a separate btree, which improves the speed of shutting down -the cache. -With \fBauto\fP, lvm selects the best option provided by the current -dm-cache kernel target. - -.B lvconvert --type cache-pool --cachemetadataformat auto|1|2 -.RS -.B VG/CacheDataLV -.RE +The fast LV holding the cache can be created as a raid1 mirror so that it +can tolerate a device failure. (When using dm-cache with separate data +and metadata LVs, each of the sub-LVs can use raid1.) +.nf +$ lvcreate -n main -L Size vg /dev/slow +$ lvcreate --type raid1 -m 1 -n fast -L Size vg /dev/fast1 /dev/fast2 +$ lvconvert --type cache --cachepool fast vg/main +.fi .SH SEE ALSO .BR lvm.conf (5),

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master - tests: specify m1 for raid1 in cache-single-types

by David Teigland

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=2f02e8d33ae908b1db5... Commit: 2f02e8d33ae908b1db523fac1690a4c9246daee2 Parent: 73132bc25414e8eb0a0c85708478b4dd797ce746 Author: David Teigland <teigland(a)redhat.com> AuthorDate: Thu Nov 8 14:08:41 2018 -0600 Committer: David Teigland <teigland(a)redhat.com> CommitterDate: Thu Nov 8 14:12:42 2018 -0600 tests: specify m1 for raid1 in cache-single-types --- test/shell/cache-single-types.sh | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/test/shell/cache-single-types.sh b/test/shell/cache-single-types.sh index 1804e85..e7c58e2 100644 --- a/test/shell/cache-single-types.sh +++ b/test/shell/cache-single-types.sh @@ -30,14 +30,12 @@ aux prepare_devs 4 64 vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" -lvcreate --type raid1 -n $lv1 -l 8 -an $vg "$dev1" "$dev2" +lvcreate --type raid1 -m 1 -n $lv1 -l 8 $vg "$dev1" "$dev2" -lvcreate --type raid1 -n $lv2 -l 4 -an $vg "$dev3" "$dev4" +lvcreate --type raid1 -m 1 -n $lv2 -l 4 $vg "$dev3" "$dev4" # test1: create fs on LV before cache is attached -lvchange -ay $vg/$lv1 - mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lv1" mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir"

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master - tests: futher test tunning

by Zdenek Kabelac

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=73132bc25414e8eb0a0... Commit: 73132bc25414e8eb0a0c85708478b4dd797ce746 Parent: 025332edc2c608e5892af373ebb764ac8ec5d8be Author: Zdenek Kabelac <zkabelac(a)redhat.com> AuthorDate: Thu Nov 8 17:19:39 2018 +0100 Committer: Zdenek Kabelac <zkabelac(a)redhat.com> CommitterDate: Thu Nov 8 17:19:39 2018 +0100 tests: futher test tunning --- test/shell/cache-single-options.sh | 2 +- test/shell/cache-single-thin.sh | 1 + test/shell/cache-single-types.sh | 1 + 3 files changed, 3 insertions(+), 1 deletions(-) diff --git a/test/shell/cache-single-options.sh b/test/shell/cache-single-options.sh index d9e7e01..d33bc2e 100644 --- a/test/shell/cache-single-options.sh +++ b/test/shell/cache-single-options.sh @@ -16,7 +16,7 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest -aux have_cache 1 3 0 || skip +aux have_cache 1 10 0 || skip which mkfs.xfs || skip mount_dir="mnt" diff --git a/test/shell/cache-single-thin.sh b/test/shell/cache-single-thin.sh index 0a94326..33097ca 100644 --- a/test/shell/cache-single-thin.sh +++ b/test/shell/cache-single-thin.sh @@ -17,6 +17,7 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest aux have_cache 1 3 0 || skip +aux have_thin 1 0 0 || skip aux prepare_devs 5 80 diff --git a/test/shell/cache-single-types.sh b/test/shell/cache-single-types.sh index d3bd5eb..1804e85 100644 --- a/test/shell/cache-single-types.sh +++ b/test/shell/cache-single-types.sh @@ -17,6 +17,7 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest aux have_cache 1 3 0 || skip +aux have_raid 1 3 5 || skip which mkfs.xfs || skip mount_dir="mnt"

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master - tests: add lvchange cachemode passthrough in cache-single-options

by David Teigland

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=025332edc2c608e5892... Commit: 025332edc2c608e5892af373ebb764ac8ec5d8be Parent: 8794fb71dbc3db8bebf133e6048bcd6ffdad7568 Author: David Teigland <teigland(a)redhat.com> AuthorDate: Thu Nov 8 10:08:38 2018 -0600 Committer: David Teigland <teigland(a)redhat.com> CommitterDate: Thu Nov 8 10:08:38 2018 -0600 tests: add lvchange cachemode passthrough in cache-single-options --- test/shell/cache-single-options.sh | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/test/shell/cache-single-options.sh b/test/shell/cache-single-options.sh index 62cfeaf..d9e7e01 100644 --- a/test/shell/cache-single-options.sh +++ b/test/shell/cache-single-options.sh @@ -236,6 +236,10 @@ lvchange --cachemode writethrough $vg/$lv1 check lv_field $vg/$lv1 cachemode "writethrough" +lvchange --cachemode passthrough $vg/$lv1 + +check lv_field $vg/$lv1 cachemode "passthrough" + lvchange -an $vg/$lv1 lvchange --cachepolicy mq --cachesettings 'migration_threshold=100' $vg/$lv1

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master - tests: enable cachepolicy cleaner in cache-single-options

by David Teigland

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=8794fb71dbc3db8bebf... Commit: 8794fb71dbc3db8bebf133e6048bcd6ffdad7568 Parent: e1e33e75e7e1c1907017aa151be7253f63075f34 Author: David Teigland <teigland(a)redhat.com> AuthorDate: Thu Nov 8 09:43:23 2018 -0600 Committer: David Teigland <teigland(a)redhat.com> CommitterDate: Thu Nov 8 09:43:23 2018 -0600 tests: enable cachepolicy cleaner in cache-single-options --- test/shell/cache-single-options.sh | 9 ++++----- 1 files changed, 4 insertions(+), 5 deletions(-) diff --git a/test/shell/cache-single-options.sh b/test/shell/cache-single-options.sh index 00c1b1d..62cfeaf 100644 --- a/test/shell/cache-single-options.sh +++ b/test/shell/cache-single-options.sh @@ -186,11 +186,10 @@ check lv_field $vg/$lv1 cachepolicy "smq" mkfs_mount_umount $lv1 -# FIXME: lvchange_cachepolicy sets wrong lv -#lvchange --cachepolicy cleaner $vg/$lv1 -#lvchange -ay $vg/$lv1 -#check lv_field $vg/$lv1 cachepolicy "cleaner" -#lvchange -an $vg/$lv1 +lvchange --cachepolicy cleaner $vg/$lv1 +lvchange -ay $vg/$lv1 +check lv_field $vg/$lv1 cachepolicy "cleaner" +lvchange -an $vg/$lv1 lvconvert --splitcache $vg/$lv1 check lv_field $vg/$lv1 segtype linear

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master - tests: enable writeback in cache-single-options

by David Teigland

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=e1e33e75e7e1c190701... Commit: e1e33e75e7e1c1907017aa151be7253f63075f34 Parent: 8c5fbd5fac7de820f7b4106a070b993a1565c112 Author: David Teigland <teigland(a)redhat.com> AuthorDate: Thu Nov 8 09:40:41 2018 -0600 Committer: David Teigland <teigland(a)redhat.com> CommitterDate: Thu Nov 8 09:40:41 2018 -0600 tests: enable writeback in cache-single-options --- test/shell/cache-single-options.sh | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-) diff --git a/test/shell/cache-single-options.sh b/test/shell/cache-single-options.sh index 4eb4d1c..00c1b1d 100644 --- a/test/shell/cache-single-options.sh +++ b/test/shell/cache-single-options.sh @@ -164,16 +164,16 @@ mount_umount $lv1 #mount_umount $lv1 -#lvconvert -y --type cache --cachepool $lv2 --cachemode writeback $vg/$lv1 +lvconvert -y --type cache --cachepool $lv2 --cachemode writeback $vg/$lv1 -#check lv_field $vg/$lv1 cachemode "writeback" +check lv_field $vg/$lv1 cachemode "writeback" -#mkfs_mount_umount $lv1 +mkfs_mount_umount $lv1 -#lvconvert --splitcache $vg/$lv1 -#check lv_field $vg/$lv1 segtype linear -#check lv_field $vg/$lv2 segtype linear -#mount_umount $lv1 +lvconvert --splitcache $vg/$lv1 +check lv_field $vg/$lv1 segtype linear +check lv_field $vg/$lv2 segtype linear +mount_umount $lv1 #

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master - tests: fix dd option in cache-single-options

by David Teigland

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=8c5fbd5fac7de820f7b... Commit: 8c5fbd5fac7de820f7b4106a070b993a1565c112 Parent: d4de3cfa4dd16512ac68f637ed7f484b7461edb9 Author: David Teigland <teigland(a)redhat.com> AuthorDate: Thu Nov 8 09:33:09 2018 -0600 Committer: David Teigland <teigland(a)redhat.com> CommitterDate: Thu Nov 8 09:33:09 2018 -0600 tests: fix dd option in cache-single-options --- test/shell/cache-single-options.sh | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/test/shell/cache-single-options.sh b/test/shell/cache-single-options.sh index 38d5a4a..4eb4d1c 100644 --- a/test/shell/cache-single-options.sh +++ b/test/shell/cache-single-options.sh @@ -58,7 +58,7 @@ mount_umount() mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir" diff pattern1 "$mount_dir/pattern1" - dd if="$mount_dir/zeros2M" of=/dev/null bs=1M count=2 conv=fdatasync + dd if="$mount_dir/zeros2M" of=/dev/null bs=1M count=2 umount "$mount_dir" lvchange -an $vg/$lvt

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master - tests: updates

by Zdenek Kabelac

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=d4de3cfa4dd16512ac6... Commit: d4de3cfa4dd16512ac68f637ed7f484b7461edb9 Parent: f86f01a3a15115d0ad808a14a1ca5665451cce1a Author: Zdenek Kabelac <zkabelac(a)redhat.com> AuthorDate: Thu Nov 8 10:21:13 2018 +0100 Committer: Zdenek Kabelac <zkabelac(a)redhat.com> CommitterDate: Thu Nov 8 12:22:18 2018 +0100 tests: updates --- test/shell/cache-single-options.sh | 27 +++++++++--------- test/shell/cache-single-thin.sh | 4 ++- test/shell/cache-single-types.sh | 37 +++++++++++++------------ test/shell/cache-single-usage.sh | 53 ++++++++++++++++++----------------- test/shell/writecache.sh | 8 +++-- 5 files changed, 68 insertions(+), 61 deletions(-) diff --git a/test/shell/cache-single-options.sh b/test/shell/cache-single-options.sh index f8dde12..38d5a4a 100644 --- a/test/shell/cache-single-options.sh +++ b/test/shell/cache-single-options.sh @@ -1,6 +1,6 @@ #!/usr/bin/env bash -# Copyright (C) 2017 Red Hat, Inc. All rights reserved. +# Copyright (C) 2018 Red Hat, Inc. All rights reserved. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions @@ -16,12 +16,14 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest +aux have_cache 1 3 0 || skip +which mkfs.xfs || skip + mount_dir="mnt" -mkdir -p $mount_dir +mkdir -p "$mount_dir" # generate random data -dmesg > pattern1 -ps aux >> pattern1 +dd if=/dev/urandom of=pattern1 bs=512K count=1 aux prepare_devs 5 64 @@ -40,10 +42,10 @@ mkfs_mount_umount() lvchange -ay $vg/$lvt mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lvt" - mount "$DM_DEV_DIR/$vg/$lvt" $mount_dir - cp pattern1 $mount_dir/pattern1 - dd if=/dev/zero of=$mount_dir/zeros2M bs=1M count=2 oflag=sync - umount $mount_dir + mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir" + cp pattern1 "$mount_dir/pattern1" + dd if=/dev/zero of="$mount_dir/zeros2M" bs=1M count=2 conv=fdatasync + umount "$mount_dir" lvchange -an $vg/$lvt } @@ -54,10 +56,10 @@ mount_umount() lvchange -ay $vg/$lvt - mount "$DM_DEV_DIR/$vg/$lvt" $mount_dir - diff pattern1 $mount_dir/pattern1 - dd if=$mount_dir/zeros2M of=/dev/null bs=1M count=2 - umount $mount_dir + mount "$DM_DEV_DIR/$vg/$lvt" "$mount_dir" + diff pattern1 "$mount_dir/pattern1" + dd if="$mount_dir/zeros2M" of=/dev/null bs=1M count=2 conv=fdatasync + umount "$mount_dir" lvchange -an $vg/$lvt } @@ -266,4 +268,3 @@ check lv_field $vg/$lv3 segtype cache-pool vgremove -ff $vg - diff --git a/test/shell/cache-single-thin.sh b/test/shell/cache-single-thin.sh index 25c232f..0a94326 100644 --- a/test/shell/cache-single-thin.sh +++ b/test/shell/cache-single-thin.sh @@ -1,6 +1,6 @@ #!/usr/bin/env bash -# Copyright (C) 2017 Red Hat, Inc. All rights reserved. +# Copyright (C) 2018 Red Hat, Inc. All rights reserved. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions @@ -16,6 +16,8 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest +aux have_cache 1 3 0 || skip + aux prepare_devs 5 80 vgcreate $SHARED $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5" diff --git a/test/shell/cache-single-types.sh b/test/shell/cache-single-types.sh index 472970a..d3bd5eb 100644 --- a/test/shell/cache-single-types.sh +++ b/test/shell/cache-single-types.sh @@ -1,6 +1,6 @@ #!/usr/bin/env bash -# Copyright (C) 2017 Red Hat, Inc. All rights reserved. +# Copyright (C) 2018 Red Hat, Inc. All rights reserved. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions @@ -16,12 +16,14 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest +aux have_cache 1 3 0 || skip +which mkfs.xfs || skip + mount_dir="mnt" -mkdir -p $mount_dir +mkdir -p "$mount_dir" # generate random data -dmesg > pattern1 -ps aux >> pattern1 +dd if=/dev/urandom of=pattern1 bs=512K count=1 aux prepare_devs 4 64 @@ -37,11 +39,11 @@ lvchange -ay $vg/$lv1 mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lv1" -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -cp pattern1 $mount_dir/pattern1 +cp pattern1 "$mount_dir/pattern1" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 lvconvert -y --type cache --cachepool $lv2 $vg/$lv1 @@ -53,15 +55,15 @@ grep raid1 out lvchange -ay $vg/$lv1 -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -diff pattern1 $mount_dir/pattern1 +diff pattern1 "$mount_dir/pattern1" -cp pattern1 $mount_dir/pattern1b +cp pattern1 "$mount_dir/pattern1b" -ls -l $mount_dir +ls -l "$mount_dir" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 @@ -73,16 +75,15 @@ check lv_field $vg/$lv2 segtype raid1 lvchange -ay $vg/$lv1 lvchange -ay $vg/$lv2 -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -ls -l $mount_dir +ls -l "$mount_dir" -diff pattern1 $mount_dir/pattern1 -diff pattern1 $mount_dir/pattern1b +diff pattern1 "$mount_dir/pattern1" +diff pattern1 "$mount_dir/pattern1b" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 lvchange -an $vg/$lv2 vgremove -ff $vg - diff --git a/test/shell/cache-single-usage.sh b/test/shell/cache-single-usage.sh index 9636932..63be718 100644 --- a/test/shell/cache-single-usage.sh +++ b/test/shell/cache-single-usage.sh @@ -1,6 +1,6 @@ #!/usr/bin/env bash -# Copyright (C) 2017 Red Hat, Inc. All rights reserved. +# Copyright (C) 2018 Red Hat, Inc. All rights reserved. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions @@ -16,12 +16,14 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest +aux have_cache 1 3 0 || skip +which mkfs.xfs || skip + mount_dir="mnt" -mkdir -p $mount_dir +mkdir -p "$mount_dir" # generate random data -dmesg > pattern1 -ps aux >> pattern1 +dd if=/dev/urandom of=pattern1 bs=512K count=1 aux prepare_devs 2 64 @@ -39,11 +41,11 @@ lvchange -ay $vg/$lv1 mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lv1" -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -cp pattern1 $mount_dir/pattern1 +cp pattern1 "$mount_dir/pattern1" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 lvconvert -y --type cache --cachepool $lv2 $vg/$lv1 @@ -55,15 +57,15 @@ grep linear out lvchange -ay $vg/$lv1 -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -diff pattern1 $mount_dir/pattern1 +diff pattern1 "$mount_dir/pattern1" -cp pattern1 $mount_dir/pattern1b +cp pattern1 "$mount_dir/pattern1b" -ls -l $mount_dir +ls -l "$mount_dir" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 @@ -75,14 +77,14 @@ check lv_field $vg/$lv2 segtype linear lvchange -ay $vg/$lv1 lvchange -ay $vg/$lv2 -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -ls -l $mount_dir +ls -l "$mount_dir" -diff pattern1 $mount_dir/pattern1 -diff pattern1 $mount_dir/pattern1b +diff pattern1 "$mount_dir/pattern1" +diff pattern1 "$mount_dir/pattern1b" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 lvchange -an $vg/$lv2 @@ -99,12 +101,12 @@ lvchange -ay $vg/$lv1 mkfs.xfs -f -s size=4096 "$DM_DEV_DIR/$vg/$lv1" -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -cp pattern1 $mount_dir/pattern1 -ls -l $mount_dir +cp pattern1 "$mount_dir/pattern1" +ls -l "$mount_dir" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 lvconvert --splitcache $vg/$lv1 @@ -115,15 +117,14 @@ check lv_field $vg/$lv2 segtype linear lvchange -ay $vg/$lv1 lvchange -ay $vg/$lv2 -mount "$DM_DEV_DIR/$vg/$lv1" $mount_dir +mount "$DM_DEV_DIR/$vg/$lv1" "$mount_dir" -ls -l $mount_dir +ls -l "$mount_dir" -diff pattern1 $mount_dir/pattern1 +diff pattern1 "$mount_dir/pattern1" -umount $mount_dir +umount "$mount_dir" lvchange -an $vg/$lv1 lvchange -an $vg/$lv2 vgremove -ff $vg - diff --git a/test/shell/writecache.sh b/test/shell/writecache.sh index 19cc93b..ce77cfe 100644 --- a/test/shell/writecache.sh +++ b/test/shell/writecache.sh @@ -1,6 +1,6 @@ #!/usr/bin/env bash -# Copyright (C) 2017 Red Hat, Inc. All rights reserved. +# Copyright (C) 2018 Red Hat, Inc. All rights reserved. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions @@ -16,12 +16,14 @@ SKIP_WITH_LVMPOLLD=1 . lib/inittest +aux have_writecache 1 0 0 || skip +which mkfs.xfs || skip + mount_dir="mnt" mkdir -p $mount_dir # generate random data -dmesg > pattern1 -ps aux >> pattern1 +dd if=/dev/urandom of=pattern1 bs=512K count=1 aux prepare_devs 2 64

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master - tests: keep results configurable

by Zdenek Kabelac

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=f86f01a3a15115d0ad8... Commit: f86f01a3a15115d0ad808a14a1ca5665451cce1a Parent: 3a557dcfbf42b9124ab17ba3dcd71b417aee9be1 Author: Zdenek Kabelac <zkabelac(a)redhat.com> AuthorDate: Thu Nov 8 10:01:21 2018 +0100 Committer: Zdenek Kabelac <zkabelac(a)redhat.com> CommitterDate: Thu Nov 8 12:22:18 2018 +0100 tests: keep results configurable --- test/Makefile.in | 10 +++++----- 1 files changed, 5 insertions(+), 5 deletions(-) diff --git a/test/Makefile.in b/test/Makefile.in index bb736a6..f8571b7 100644 --- a/test/Makefile.in +++ b/test/Makefile.in @@ -137,33 +137,33 @@ check_local: .tests-stamp ifeq ("@BUILD_LVMPOLLD@", "yes") check_lvmpolld: .tests-stamp VERBOSE=$(VERBOSE) ./lib/runner \ - --testdir . --outdir results \ + --testdir . --outdir $(LVM_TEST_RESULTS) \ --flavours ndev-lvmpolld --only $(T) --skip $(S) check_all_lvmpolld: .tests-stamp VERBOSE=$(VERBOSE) ./lib/runner \ - --testdir . --outdir results \ + --testdir . --outdir $(LVM_TEST_RESULTS) \ --flavours ndev-lvmpolld --only $(T) --skip $(S) endif ifeq ("@BUILD_LVMLOCKD@", "yes") check_lvmlockd_sanlock: .tests-stamp VERBOSE=$(VERBOSE) ./lib/runner \ - --testdir . --outdir results \ + --testdir . --outdir $(LVM_TEST_RESULTS) \ --flavours udev-lvmlockd-sanlock --only shell/aa-lvmlockd-sanlock-prepare.sh,$(T),shell/zz-lvmlockd-sanlock-remove.sh --skip $(S) endif ifeq ("@BUILD_LVMLOCKD@", "yes") check_lvmlockd_dlm: .tests-stamp VERBOSE=$(VERBOSE) ./lib/runner \ - --testdir . --outdir results \ + --testdir . --outdir $(LVM_TEST_RESULTS) \ --flavours udev-lvmlockd-dlm --only shell/aa-lvmlockd-dlm-prepare.sh,$(T),shell/zz-lvmlockd-dlm-remove.sh --skip $(S) endif ifeq ("@BUILD_LVMLOCKD@", "yes") check_lvmlockd_test: .tests-stamp VERBOSE=$(VERBOSE) ./lib/runner \ - --testdir . --outdir results \ + --testdir . --outdir $(LVM_TEST_RESULTS) \ --flavours udev-lvmlockd-test --only $(T) --skip $(S) endif

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master - configure: update

by Zdenek Kabelac

Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=3a557dcfbf42b9124ab... Commit: 3a557dcfbf42b9124ab17ba3dcd71b417aee9be1 Parent: 6cee8f1b063dcf5d809e14de38ba489ce5b8f562 Author: Zdenek Kabelac <zkabelac(a)redhat.com> AuthorDate: Thu Nov 8 12:22:07 2018 +0100 Committer: Zdenek Kabelac <zkabelac(a)redhat.com> CommitterDate: Thu Nov 8 12:22:07 2018 +0100 configure: update --- configure | 27 +++++++++++++++++++++++++++ include/configure.h.in | 3 +++ 2 files changed, 30 insertions(+), 0 deletions(-) diff --git a/configure b/configure index d8f7384..496741f 100755 --- a/configure +++ b/configure @@ -915,6 +915,7 @@ with_cache_restore enable_cache_check_needs_check with_vdo with_vdo_format +with_writecache enable_readline enable_realtime enable_ocf @@ -1708,6 +1709,7 @@ Optional Packages: cache_restore tool: [autodetect] --with-vdo=TYPE vdo support: internal/none [internal] --with-vdo-format=PATH vdoformat tool: [autodetect] + --with-writecache=TYPE writecache support: internal/none [internal] --with-ocfdir=DIR install OCF files in [PREFIX/lib/ocf/resource.d/lvm2] --with-default-pid-dir=PID_DIR @@ -9706,6 +9708,31 @@ _ACEOF #AC_MSG_RESULT($VDO_LIB) ################################################################################ +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to include writecache" >&5 +$as_echo_n "checking whether to include writecache... " >&6; } + +# Check whether --with-writecache was given. +if test "${with_writecache+set}" = set; then : + withval=$with_writecache; WRITECACHE=$withval +else + WRITECACHE="none" +fi + + +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $WRITECACHE" >&5 +$as_echo "$WRITECACHE" >&6; } + +case "$WRITECACHE" in + none) ;; + internal) + +$as_echo "#define WRITECACHE_INTERNAL 1" >>confdefs.h + + ;; + *) as_fn_error $? "--with-writecache parameter invalid" "$LINENO" 5 ;; +esac + +################################################################################ # Check whether --enable-readline was given. if test "${enable_readline+set}" = set; then : enableval=$enable_readline; READLINE=$enableval diff --git a/include/configure.h.in b/include/configure.h.in index 3721844..19c1922 100644 --- a/include/configure.h.in +++ b/include/configure.h.in @@ -669,6 +669,9 @@ /* Define to 1 to include built-in support for vdo. */ #undef VDO_INTERNAL +/* Define to 1 to include built-in support for writecache. */ +#undef WRITECACHE_INTERNAL + /* Define for Solaris 2.5.1 so the uint32_t typedef from <sys/synch.h>, <pthread.h>, or <semaphore.h> is not used. If the typedef were allowed, the #define below would cause a syntax error. */

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lvm2-commits November 2018