renamed. Previously the vlan interfaces would lose their configuration as if
the parent interface had been physically removed. Now vlan interfaces ignore
rename events.
- Add a new ifnet flag (IFF_RENAMING) that is set while an ifnet is being
renamed. This flag can be checked in ifnet departure/arrival event
handlers to treat rename events differently.
- Change the ifnet departure event handler in the if_vlan(4) driver to
ignore departure events due to a trunk interface being renamed.
Reviewed by: brooks, rwatson
MFC after: 1 week
Because strings are now null-terminated, I've decided to just use an
array of utmpx structures, instead of the separated strings. This means
we just copy the entire utmpx structure and point to the strings within
the structures directly.
1<<30 bytes of memory, which is required for some streams.
Also, try to make the taster more discriminating about raw lzma streams.
The detection here is still really weak, though; please use xz instead
of lzma.
* Write xattrs last instead of first (required on platforms that use
system xattrs for security attributes)
* Better handling of chdir() failures
* Don't bother trying to shorten files via seek()/write()
* Fix build on systems that lack link()/symlink()/mknod()
* Prefer futimens()/utimensat() when they're present
* Enforce option interface can only be used before the archive is opened
* Correctly handle large skips on platforms with 32-bit off_t
* Use int64_t instead of off_t
Fix some wrong usages.
Note: this does not affect generated binaries as this argument is not used.
PR: 137213
Submitted by: Eygene Ryabinkin (initial version)
MFC after: 1 month
making it possible for zpools created on OpenSolaris 2009.06 be used
on FreeBSD.
PR: kern/141800
Submitted by: mm
Reviewed by: pjd, trasz
Obtained from: OpenSolaris
MFC after: 2 weeks
Unfortunately it also uses lastlog, which means we must resort to local
extensions of the utmpx-interface. Because the user name and TTY name
are now nul-terminated, there is no need to copy around strings as
often.
- For SSDs use TRIM feature of DATA SET MANAGEMENT command, as defined by
ACS-2 specification working draft.
- For CompactFlash use CFA ERASE command, same as ad(4) does.
With this patch, `newfs -E /dev/ada1` was able to restore write speed of
my heavily weared OCZ Vertex SSD (firmware 1.4) up to the initial level
for the most part of it's capacity. Previous 1.3 firmware, even reportiong
TRIM capabilty bit set, was not working, reporting ABORT error for every
DSM command.
I have no idea whether it is normal, but for some reason it takes 200ms
to handle any TRIM command on this drive, that was making delete extremely
slow. But TRIM command is able to accept long list of LBAs and the length of
that list seems doesn't affect it's execution time. Implemented request
clusting algorithm allowed me to rise delete rate up to reasonable numbers,
when many parallel DELETE requests running.
blkif interface in Xen requires all I/O to be 512 byte aligned with each
segment bounded by a 4k page.
Note: This submission only documents the proper contraints for blkif I/O.
The alignment code in busdma does not yet handle alignment constraints
correctly in all cases.
the namecache records. The reclamation is not enabled by default because
for typical workload it would make namecache unusable, but large nested
directory tree easily puts any process that accesses filesystem into 1
second wait for vlru.
Reported by: yar (long time ago)
MFC after: 3 days
within ip_output, achieving (in random order of importance):
- a reduction of the number of 'r's in the source code;
- improved legibility;
- a reduction of 64 bytes in the .text
+ remove two unnecessary initializations in ip_output;
+ localize 'len';
+ introduce a temporary variable n to count the number of fragments,
the compiler seems unable to identify a common subexpression
(written 3 times, used twice);
+ document some assumptions on ip_len and ip_hl
