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8c2a54de80
freebsd-nq/sys
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Konstantin Belousov 8c2a54de80 Add kernel side support for BIO_DELETE/TRIM on UFS. 
The FS_TRIM fs flag indicates that administrator requested issuing of
TRIM commands for the volume. UFS will only send the command to disk
if the disk reports GEOM::candelete attribute.

Since disk queue is reordered, data block is marked as free in the bitmap
only after TRIM command completed. Due to need to sleep waiting for
i/o to finish, TRIM bio_done routine schedules taskqueue to set the
bitmap bit.

Based on the patch by:	mckusick
Reviewed by:	mckusick, pjd
Tested by:	pho
MFC after:	1 month
2010-12-29 12:25:28 +00:00
..
amd64 Increase size of pcb_flags to four bytes. 2010-12-22 19:57:03 +00:00
arm IXP4XX_GPIO_{,UN}LOCK() don't take args. Remove the sc here to make 2010-12-23 19:28:50 +00:00
boot Give a bit of a hint of the failure (read != expected) but don't make 2010-11-25 03:16:31 +00:00
bsm
cam Fix a few issues related to the XPT_GDEV_ADVINFO CCB. 2010-12-10 21:38:51 +00:00
cddl cyclic xcall: use smp_no_rendevous_barrier as setup function parameter 2010-12-17 18:22:50 +00:00
compat Merge amd64 and i386 bus.h and move the resulting header to x86. Replace 2010-12-20 16:39:43 +00:00
conf MIPS has lots of flavors as well 2010-12-28 22:49:28 +00:00
contrib Update firmware for wpi(4) from version 2.14.4 to 15.32.2.9. 2010-12-19 11:37:44 +00:00
crypto Remove DEBUG sections. 2010-11-27 15:41:44 +00:00
ddb One more use for _SIG_VALID. 2010-07-12 10:18:10 +00:00
dev Add reporting of GEOM::candelete BIO_GETATTR for md(4) and geom_disk(4). 2010-12-29 12:11:07 +00:00
fs Delete the nfsvno_localconflict() function in the experimental 2010-12-28 23:50:13 +00:00
gdb there must be only one SYSINIT with SI_SUB_RUN_SCHEDULER+SI_ORDER_ANY order 2010-09-30 17:05:23 +00:00
geom Add reporting of GEOM::candelete BIO_GETATTR for md(4) and geom_disk(4). 2010-12-29 12:11:07 +00:00
gnu Remove prtactive variable and related printf()s in the vop_inactive 2010-11-19 21:17:34 +00:00
i386 Revert r216777, per jhb@ 2010-12-28 22:45:29 +00:00
ia64 Revert r216134. This checkin broke platforms where bus_space are macros: 2010-12-03 07:09:23 +00:00
isa bus_add_child: change type of order parameter to u_int 2010-09-10 11:19:03 +00:00
kern - Follow r216313, the sched_unlend_user_prio is no longer needed, always 2010-12-29 09:26:46 +00:00
kgssapi
libkern Add support for asterisk characters when filling in the GELI password 2010-11-14 14:12:43 +00:00
mips When allocating memory from bootmem for the kernel to use, try to leave about 2010-12-28 20:11:54 +00:00
modules Update firmware for wpi(4) from version 2.14.4 to 15.32.2.9. 2010-12-19 11:37:44 +00:00
net Introduce and use a new VM interface for temporarily pinning pages. This 2010-12-25 21:26:56 +00:00
net80211 The meshid element is memcpy()'ed into se_meshid if included in either 2010-11-22 19:01:47 +00:00
netatalk
netgraph Simplify ng_pipe locking model by relying on the netgraph framework 2010-11-24 16:02:58 +00:00
netinet Add a comment for the ccv member of struct tcpcb. 2010-12-28 12:37:57 +00:00
netinet6 Improve plausibility check in sctp_handle_sack(). 2010-12-22 17:59:38 +00:00
netipsec After some off-list discussion, revert a number of changes to the 2010-11-22 19:32:54 +00:00
netipx
netnatm
netncp
netsmb
nfs Fix the type of the 3rd argument for nm_getinfo so that it works 2010-10-19 11:55:58 +00:00
nfsclient Remove prtactive variable and related printf()s in the vop_inactive 2010-11-19 21:17:34 +00:00
nfsserver ZFS might not return monotonically increasing directory offset cookies, 2010-12-28 21:12:15 +00:00
nlm Modify the NFS clients and the NLM so that the NLM can be used 2010-10-19 00:20:00 +00:00
opencrypto Let cryptosoft(4) add its pseudo-device with a specific unit number and its 2010-11-14 13:09:32 +00:00
pc98 Merge amd64 and i386 bus.h and move the resulting header to x86. Replace 2010-12-20 16:39:43 +00:00
pci Remove standard PCI configuration space register definitions. 2010-11-08 22:10:51 +00:00
powerpc Only keep track of PTE validity statistics for pages not locked in the 2010-12-28 17:02:15 +00:00
rpc Fix the krpc so that it can handle NFSv3,UDP mounts with a read/write 2010-10-13 00:57:14 +00:00
security Fix typos. 2010-11-09 10:59:09 +00:00
sparc64 Extend the hack of r182730 to trick GAS/GCC into compiling access to 2010-12-21 22:03:12 +00:00
sun4v Revert r216134. This checkin broke platforms where bus_space are macros: 2010-12-03 07:09:23 +00:00
sys - Follow r216313, the sched_unlend_user_prio is no longer needed, always 2010-12-29 09:26:46 +00:00
teken Use proper bounds checking on VPA. 2010-12-05 10:15:23 +00:00
tools Add an extra comment to the SDT probes definition. This allows us to get 2010-08-22 11:18:57 +00:00
ufs Add kernel side support for BIO_DELETE/TRIM on UFS. 2010-12-29 12:25:28 +00:00
vm Correct a typo in vm_fault_quick_hold_pages(). 2010-12-28 20:02:30 +00:00
x86 Drop the icu_lock spinlock while pausing briefly after masking the 2010-12-23 15:17:28 +00:00
xdr
xen Fix a typo in a comment. 2010-12-14 20:57:40 +00:00
Makefile Add lex and yacc sources to things cscope'd. 2010-11-21 03:58:11 +00:00