the MAC result, as well as avoid losing the DAC check result when MAC
is enabled.
MFC after: 3 days
Reported by: Patrick LeBlanc <Patrick dot LeBlanc at sparta dot com>
Before this change a copy operation with cp(1) would not update the
file access times.
According to the POSIX mmap(2) documentation: the st_atime field
of the mapped file may be marked for update at any time between the
mmap() call and the corresponding munmap() call. The initial read
or write reference to a mapped region shall cause the file's st_atime
field to be marked for update if it has not already been marked for
update.
framework. This makes Giant protection around MAC operations which inter-
act with VFS conditional, based on the MPSAFE status of the file system.
Affected the following syscalls:
o __mac_get_fd
o __mac_get_file
o __mac_get_link
o __mac_set_fd
o __mac_set_file
o __mac_set_link
-Drop Giant all together in __mac_set_proc because the
mac_cred_mmapped_drop_perms_recurse routine no longer requires it.
-Move conditional Giant aquisitions to after label allocation routines.
-Move the conditional release of Giant to before label de-allocation
routines.
Discussed with: rwatson
and "vlandev" commands can be specified in any order.
This makes the code more compact and clear as well.
Improve error check on vlan argument.
MFC after: 2 weeks
instead of an int. No other FreeBSD architecture does this. Patch over
this problem in the lmc driver. While I'm here, correct a mistake with
DEVICE_POLLING.
stale flag bits left over from before the inode was recycled.
Without this change, a leftover IN_SPACECOUNTED flag could prevent
softdep_freefile() and softdep_releasefile() from incrementing
fs_pendinginodes. Because handle_workitem_freefile() unconditionally
decrements fs_pendinginodes, a negative value could be reported at
file system unmount time with a message like:
unmount pending error: blocks 0 files -3
The pending block count in fs_pendingblocks could also be negative
for similar reasons. These errors can cause the data returned by
statfs() to be slightly incorrect. Some other cleanup code in
softdep_releasefile() could also be incorrectly bypassed.
MFC after: 3 days
features. Both the presence of a NOAUTO keyword and an interface being
up can be ignored is the forcestart option is used. Additionally, a
restart option has been added.
Reviewed by: ume
- Don't bzero the softc first thing in attach.
- Cleanup error handling in attach() to avoid lots of duplication.
- Don't initialize the callout handle twice.
MFC after: 3 days
The DMA controller driver only knows how to do memory to memory copies, and
the AAU driver how to zero a chunk of memory.
Use them to process big (>=1KB) copying/zeroing.
dedicated sysctl handlers. Protect manipulations with
poll_mtx. The affected sysctls are:
- kern.polling.burst_max
- kern.polling.each_burst
- kern.polling.user_frac
- kern.polling.reg_frac
o Use CTLFLAG_RD on MIBs that supposed to be read-only.
o u_int32t -> uint32_t
o Remove unneeded locking from poll_switch().
- Use the new API for pmap_copy_page() and pmap_zero_page().
- Just write-back the pages in pmap_qenter(), and invalidate it in
pmap_qremove().
- Nuke the cache flushing in pmap_enter_quick(), it's not needed anymore.
