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author | Pawel Jakub Dawidek <pjd@FreeBSD.org> | 2008-11-17 20:49:29 +0000 |
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committer | Pawel Jakub Dawidek <pjd@FreeBSD.org> | 2008-11-17 20:49:29 +0000 |
commit | 1ba4a712dde6e6c613fc411a96958b4ade67de4c (patch) | |
tree | 81b89fa4ac6467771d5aa291a97f4665981a6108 /sys/sys/namei.h | |
parent | 8fc061164d74a4c9775f39da3c0b5d02112866c8 (diff) | |
download | src-1ba4a712dde6e6c613fc411a96958b4ade67de4c.tar.gz src-1ba4a712dde6e6c613fc411a96958b4ade67de4c.zip |
Update ZFS from version 6 to 13 and bring some FreeBSD-specific changes.
This bring huge amount of changes, I'll enumerate only user-visible changes:
- Delegated Administration
Allows regular users to perform ZFS operations, like file system
creation, snapshot creation, etc.
- L2ARC
Level 2 cache for ZFS - allows to use additional disks for cache.
Huge performance improvements mostly for random read of mostly
static content.
- slog
Allow to use additional disks for ZFS Intent Log to speed up
operations like fsync(2).
- vfs.zfs.super_owner
Allows regular users to perform privileged operations on files stored
on ZFS file systems owned by him. Very careful with this one.
- chflags(2)
Not all the flags are supported. This still needs work.
- ZFSBoot
Support to boot off of ZFS pool. Not finished, AFAIK.
Submitted by: dfr
- Snapshot properties
- New failure modes
Before if write requested failed, system paniced. Now one
can select from one of three failure modes:
- panic - panic on write error
- wait - wait for disk to reappear
- continue - serve read requests if possible, block write requests
- Refquota, refreservation properties
Just quota and reservation properties, but don't count space consumed
by children file systems, clones and snapshots.
- Sparse volumes
ZVOLs that don't reserve space in the pool.
- External attributes
Compatible with extattr(2).
- NFSv4-ACLs
Not sure about the status, might not be complete yet.
Submitted by: trasz
- Creation-time properties
- Regression tests for zpool(8) command.
Obtained from: OpenSolaris
Notes
Notes:
svn path=/head/; revision=185029
Diffstat (limited to 'sys/sys/namei.h')
-rw-r--r-- | sys/sys/namei.h | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/sys/sys/namei.h b/sys/sys/namei.h index 478ff33aca1b..0e044de67096 100644 --- a/sys/sys/namei.h +++ b/sys/sys/namei.h @@ -66,7 +66,7 @@ struct nameidata { /* * Arguments to lookup. */ - struct vnode *ni_startdir; /* starting directory */ + struct vnode *ni_startdir; /* starting directory */ struct vnode *ni_rootdir; /* logical root directory */ struct vnode *ni_topdir; /* logical top directory */ int ni_dirfd; /* starting directory for *at functions */ @@ -149,15 +149,20 @@ struct nameidata { /* * Initialization of a nameidata structure. */ -#define NDINIT(ndp, op, flags, segflg, namep, td) \ - NDINIT_AT(ndp, op, flags, segflg, namep, AT_FDCWD, td) +#define NDINIT(ndp, op, flags, segflg, namep, td) \ + NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, NULL, td) +#define NDINIT_AT(ndp, op, flags, segflg, namep, dirfd, td) \ + NDINIT_ALL(ndp, op, flags, segflg, namep, dirfd, NULL, td) +#define NDINIT_ATVP(ndp, op, flags, segflg, namep, vp, td) \ + NDINIT_ALL(ndp, op, flags, segflg, namep, AT_FDCWD, vp, td) static __inline void -NDINIT_AT(struct nameidata *ndp, +NDINIT_ALL(struct nameidata *ndp, u_long op, u_long flags, enum uio_seg segflg, const char *namep, int dirfd, + struct vnode *startdir, struct thread *td) { ndp->ni_cnd.cn_nameiop = op; @@ -165,6 +170,7 @@ NDINIT_AT(struct nameidata *ndp, ndp->ni_segflg = segflg; ndp->ni_dirp = namep; ndp->ni_dirfd = dirfd; + ndp->ni_startdir = startdir; ndp->ni_cnd.cn_thread = td; } |