mirror_zfs

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T

kernelOfTruth a966c5640e Reintroduce zfs_remove() synchronous deletes

Reintroduce a slightly adapted version of the Illumos logic for
synchronous unlinks.  The basic idea here is that only files
smaller than zfs_delete_blocks (20480) blocks should be deleted
synchronously.  Unlinking larger files should be handled
asynchronously to minimize impact to the caller.

To accomplish this iput() which is responsible for calling
zfs_znode_delete() on Linux is only called in the delete_now
path.  Otherwise zfs_async_iput() is used which allows the
last reference to be dropped by a taskq thread effectively
making the removal asynchronous.

Porting notes:
- Add zfs_delete_blocks module option for performance analysis.
  The default value is DMU_MAX_DELETEBLKCNT which is the same
  as upstream.  Reducing this value means that smaller files
  will be unlinked asynchronously like large files.
- All occurrences of zfsvfs changes to zsb.

Ported-by: KernelOfTruth kerneloftruth@gmail.com
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>

2016-01-26 15:26:02 -08:00

cmd

mount.zfs: use getopt_long instead of getopt to guarantee permutation of argv.

2016-01-25 13:17:18 -08:00

config

Linux 4.5 compat: xattr list handler

2016-01-20 11:36:56 -08:00

contrib

Activate LVM volume groups before looking for zpools.

2015-12-18 13:46:23 -08:00

etc

zfs-import: Perform verbatim import using cache file