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authorAlek P <[email protected]>2019-02-12 10:41:15 -0800
committerBrian Behlendorf <[email protected]>2019-02-12 10:41:15 -0800
commitdcec0a12c8e480262288ac76f6350652079ea173 (patch)
tree1f23e1c575dc61d00484b627f61e1b5e9ba6bac0 /man
parent425d3237ee88abc53d8522a7139c926d278b4b7f (diff)
port async unlinked drain from illumos-nexenta
This patch is an async implementation of the existing sync zfs_unlinked_drain() function. This function is called at mount time and is responsible for freeing znodes that we didn't get to freeing before. We don't have to hold mounting of the dataset until the unlinked list is fully drained as is done now. Since we can process the unlinked set asynchronously this results in a better user experience when mounting a dataset with entries in the unlinked set. Reviewed by: Jorgen Lundman <[email protected]> Reviewed by: Tom Caputi <[email protected]> Reviewed by: Brian Behlendorf <[email protected]> Reviewed-by: Matt Ahrens <[email protected]> Reviewed by: Paul Dagnelie <[email protected]> Signed-off-by: Alek Pinchuk <[email protected]> Closes #8142
Diffstat (limited to 'man')
-rw-r--r--man/man5/zfs-module-parameters.515
1 files changed, 15 insertions, 0 deletions
diff --git a/man/man5/zfs-module-parameters.5 b/man/man5/zfs-module-parameters.5
index 7dd333f04..f6b043183 100644
--- a/man/man5/zfs-module-parameters.5
+++ b/man/man5/zfs-module-parameters.5
@@ -1152,6 +1152,21 @@ Default value: 20
.sp
.ne 2
.na
+\fBzfs_unlink_suspend_progress\fR (uint)
+.ad
+.RS 12n
+When enabled, files will not be asynchronously removed from the list of pending
+unlinks and the space they consume will be leaked. Once this option has been
+disabled and the dataset is remounted, the pending unlinks will be processed
+and the freed space returned to the pool.
+This option is used by the test suite to facilitate testing.
+.sp
+Uses \fB0\fR (default) to allow progress and \fB1\fR to pause progress.
+.RE
+
+.sp
+.ne 2
+.na
\fBzfs_delete_blocks\fR (ulong)
.ad
.RS 12n