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| author | Kirk McKusick <mckusick@FreeBSD.org> | 2011-06-12 19:27:05 +0000 |
|---|---|---|
| committer | Kirk McKusick <mckusick@FreeBSD.org> | 2011-06-12 19:27:05 +0000 |
| commit | 9eb8728aa5a55f1b4e8449758d183b49da4dea71 (patch) | |
| tree | 7d0ae8580a1a7287703c44a2b3ddbe41275f5102 /sys/ufs/ffs/ffs_extern.h | |
| parent | 8e6cab54e8ab97c0cd55d92735c570267bfb853c (diff) | |
| download | src-9eb8728aa5a55f1b4e8449758d183b49da4dea71.tar.gz src-9eb8728aa5a55f1b4e8449758d183b49da4dea71.zip | |
Update to soft updates journaling to properly track freed blocks
that get claimed by snapshots.
Submitted by: Jeff Roberson
Tested by: Peter Holm
Notes
Notes:
svn path=/head/; revision=223020
Diffstat (limited to 'sys/ufs/ffs/ffs_extern.h')
| -rw-r--r-- | sys/ufs/ffs/ffs_extern.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sys/ufs/ffs/ffs_extern.h b/sys/ufs/ffs/ffs_extern.h index 58d612145e01..fbda5a8956b3 100644 --- a/sys/ufs/ffs/ffs_extern.h +++ b/sys/ufs/ffs/ffs_extern.h @@ -80,12 +80,14 @@ int ffs_realloccg(struct inode *, ufs2_daddr_t, ufs2_daddr_t, ufs2_daddr_t, int, int, int, struct ucred *, struct buf **); int ffs_sbupdate(struct ufsmount *, int, int); void ffs_setblock(struct fs *, u_char *, ufs1_daddr_t); -int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t); +int ffs_snapblkfree(struct fs *, struct vnode *, ufs2_daddr_t, long, ino_t, + struct workhead *); void ffs_snapremove(struct vnode *vp); int ffs_snapshot(struct mount *mp, char *snapfile); void ffs_snapshot_mount(struct mount *mp); void ffs_snapshot_unmount(struct mount *mp); void process_deferred_inactive(struct mount *mp); +void ffs_sync_snap(struct mount *, int); int ffs_syncvnode(struct vnode *vp, int waitfor); int ffs_truncate(struct vnode *, off_t, int, struct ucred *, struct thread *); int ffs_update(struct vnode *, int); @@ -149,6 +151,9 @@ int softdep_prealloc(struct vnode *, int); int softdep_journal_lookup(struct mount *, struct vnode **); void softdep_journal_freeblocks(struct inode *, struct ucred *, off_t, int); void softdep_journal_fsync(struct inode *); +void softdep_buf_append(struct buf *, struct workhead *); +void softdep_inode_append(struct inode *, struct ucred *, struct workhead *); +void softdep_freework(struct workhead *); /* @@ -161,4 +166,14 @@ void softdep_journal_fsync(struct inode *); int ffs_rdonly(struct inode *); +TAILQ_HEAD(snaphead, inode); + +struct snapdata { + LIST_ENTRY(snapdata) sn_link; + struct snaphead sn_head; + daddr_t sn_listsize; + daddr_t *sn_blklist; + struct lock sn_lock; +}; + #endif /* !_UFS_FFS_EXTERN_H */ |