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318f2fb4bf
freebsd-dev/sys
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Ian Dowse 318f2fb4bf Add a new mount flag MNT_BYFSID that can be used to unmount a file 
system by specifying the file system ID instead of a path. Use this
by default in umount(8). This avoids the need to perform any vnode
operations to look up the mount point, so it makes it possible to
unmount a file system whose root vnode cannot be looked up (e.g.
due to a dead NFS server, or a file system that has become detached
from the hierarchy because an underlying file system was unmounted).
It also provides an unambiguous way to specify which file system is
to be unmunted.

Since the ability to unmount using a path name is retained only for
compatibility, that case now just uses a simple string comparison
of the supplied path against f_mntonname of each mounted file system.

Discussed on:	freebsd-arch
mdoc help from:	ru
2003-07-01 17:40:23 +00:00
..
alpha Mega busdma API commit. 2003-07-01 15:52:06 +00:00
amd64 Honor the boundary of the busdma tag when allocating bounce pages. 2003-07-01 16:54:54 +00:00
arm sys/sys/limits.h: 2003-05-19 20:29:07 +00:00
boot Add the beastie_disable variable which allows to turn the beastie 2003-07-01 01:03:32 +00:00
cam Merge common XPT_CALC_GEOMETRY functions into a single convenience function. 2003-06-14 22:17:41 +00:00
coda Remove in toto coda_strategy which incorrectly implemented vop_panic(); 2003-06-15 18:45:15 +00:00
compat Don't map LINUX_POSIX_VDISABLE to _POSIX_VDISABLE and vice versa for 2003-06-28 19:32:07 +00:00
conf Add the new sparc64 OFW PCI framework, conditional on options OFW_NEWPCI 2003-07-01 14:52:47 +00:00
contrib This commit was generated by cvs2svn to compensate for changes in r116801, 2003-06-25 06:06:52 +00:00
crypto Use __FBSDID(). 2003-06-10 21:44:29 +00:00
ddb Rename P_THREADED to P_SA. P_SA means a process is using scheduler 2003-06-15 00:31:24 +00:00
dev Mega busdma API commit. 2003-07-01 15:52:06 +00:00
fs XXX Copy workaround from UFS: open device for write access even if 2003-06-29 03:05:59 +00:00
geom Sleep on "-" in our normal state to simplify debugging. 2003-06-18 10:33:09 +00:00
gnu Add the same KASSERT to all VOP_STRATEGY and VOP_SPECSTRATEGY implementations 2003-06-15 18:53:00 +00:00
i4b Mega busdma API commit. 2003-07-01 15:52:06 +00:00
i386 Honor the boundary of the busdma tag when allocating bounce pages. 2003-07-01 16:54:54 +00:00
ia64 Honor the boundary of the busdma tag when allocating bounce pages. 2003-07-01 16:54:54 +00:00
isa Add PnP PS/2 id for Dell Latitude X200. 2003-07-01 14:41:16 +00:00
isofs/cd9660 change dev_t to struct cdev * to match ufs. This fixes fstat for cd9660 2003-06-24 22:11:20 +00:00
kern Add a new mount flag MNT_BYFSID that can be used to unmount a file 2003-07-01 17:40:23 +00:00
libkern Use __FBSDID(). 2003-06-11 05:37:42 +00:00
modules nitpicking 2003-06-30 05:25:36 +00:00
net remove old 802.11 support; replaced by new code in sys/net80211 2003-06-28 06:09:39 +00:00
net80211 insure ic_bss always has a "valid" channel; avoids problems where users could 2003-06-29 20:13:38 +00:00
netatalk - Use if_broadcastaddr from struct ifnet rather than relying on 2003-03-21 17:53:16 +00:00
netatm Use __FBSDID(). 2003-06-11 07:22:30 +00:00
netgraph Fix a comment 2003-06-25 20:58:35 +00:00
netinet Remove a stale comment, fix indentation. 2003-06-28 14:23:22 +00:00
netinet6 Do not attempt to access to inp_socket fields if the socket is in the TIME_WAIT 2003-06-17 00:31:30 +00:00
netipsec consolidate callback optimization check in one location by adding a flag 2003-06-30 05:09:32 +00:00
netipx Use __FBSDID(). 2003-06-11 05:37:42 +00:00
netkey Use __FBSDID(). 2003-06-11 05:37:42 +00:00
netnatm Use __FBSDID(). 2003-06-11 05:37:42 +00:00
netncp Use __FBSDID(). 2003-06-11 05:37:42 +00:00
netsmb Add a f_vnode field to struct file. 2003-06-22 08:41:43 +00:00
nfs
nfsclient Lock the vm object when freeing a page. 2003-06-17 05:17:00 +00:00
nfsserver Fix a bug in nfsrv_read() that caused the replies to certain NFSv3 2003-06-24 19:04:26 +00:00
opencrypto consolidate callback optimization check in one location by adding a flag 2003-06-30 05:09:32 +00:00
pc98 MFi386: revision 1.566. 2003-06-28 12:35:46 +00:00
pccard OLDCARD is OBSOLETE_IN_6. Tag it as such. 2003-06-12 04:46:43 +00:00
pci Mega busdma API commit. 2003-07-01 15:52:06 +00:00
posix4 Use __FBSDID(). 2003-06-11 06:34:30 +00:00
powerpc Mega busdma API commit. 2003-07-01 15:52:06 +00:00
rpc
security Redesign the externalization APIs from the MAC Framework to 2003-06-23 01:26:34 +00:00
sparc64 Mega busdma API commit. 2003-07-01 15:52:06 +00:00
sys Add a new mount flag MNT_BYFSID that can be used to unmount a file 2003-07-01 17:40:23 +00:00
tools Don't check the state of the vnode interlock if the specification says 2003-06-22 21:20:06 +00:00
ufs Lock the vm object when freeing pages. 2003-06-15 21:50:38 +00:00
vm Modify vm_page_alloc() and vm_page_select_cache() to allow the page that 2003-07-01 07:33:41 +00:00
Makefile Revert exclusion for amd64 that stopped boot/ being built. 2003-06-26 03:52:48 +00:00