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zvol: Implement zvol threading as a Property

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Currently, zvol threading can be switched through the zvol_request_sync
module parameter system-wide. By making it a zvol property, zvol
threading can be switched per zvol.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Ameer Hamza <ahamza@ixsystems.com>
Closes #15409
This commit is contained in:
Ameer Hamza
2023-10-25 02:53:27 +05:00
committed by Brian Behlendorf
parent dbe839a9ca
commit 60387facd2
9 changed files with 51 additions and 2 deletions
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module/zcommon/zfs_prop.c
+3
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@@ -628,6 +628,9 @@ zfs_prop_init(void)
ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME,
ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK", B_FALSE,
sfeatures);
zprop_register_index(ZFS_PROP_VOLTHREADING, "volthreading",
1, PROP_DEFAULT, ZFS_TYPE_VOLUME, "on | off", "zvol threading",
boolean_table, sfeatures);
zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0,
PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
"USEDSNAP", B_FALSE, sfeatures);