diff options
author | Darrick J. Wong <djwong@kernel.org> | 2021-01-05 17:47:10 -0800 |
---|---|---|
committer | Darrick J. Wong <djwong@kernel.org> | 2021-03-25 17:08:52 -0700 |
commit | 68982df17e98c68896294470d757c128015b82b1 (patch) | |
tree | f4d801b8adafbebf05f5ec2c1cc7e4d0faf9acc5 | |
parent | 43cc62e700df33db56f4b7bd92dbafd32aaf5a71 (diff) |
xfs: walk the rt reference count tree when rebuilding rmap
When we're rebuilding the data device rmap, if we encounter a "refcount"
format fork, we have to walk the (realtime) refcount btree inode to
build the appropriate mappings.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
-rw-r--r-- | fs/xfs/scrub/rmap_repair.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/fs/xfs/scrub/rmap_repair.c b/fs/xfs/scrub/rmap_repair.c index 4aca87c70eec..6d40d6fbf1fa 100644 --- a/fs/xfs/scrub/rmap_repair.c +++ b/fs/xfs/scrub/rmap_repair.c @@ -29,6 +29,7 @@ #include "xfs_refcount_btree.h" #include "xfs_iwalk.h" #include "xfs_rtrmap_btree.h" +#include "xfs_rtrefcount_btree.h" #include "scrub/xfs_scrub.h" #include "scrub/scrub.h" #include "scrub/common.h" @@ -540,6 +541,24 @@ xrep_rmap_scan_rtrmapbt( return error; } +static int +xrep_rmap_scan_rtrefcountbt( + struct xrep_rmap_ifork *rf, + struct xfs_inode *ip) +{ + struct xfs_scrub *sc = rf->rr->sc; + struct xfs_btree_cur *cur; + int error; + + if (ip != sc->mp->m_rrefcountip || rf->whichfork != XFS_DATA_FORK) + return -EFSCORRUPTED; + + cur = xfs_rtrefcountbt_init_cursor(sc->mp, sc->tp, ip); + error = xrep_rmap_scan_iroot_btree(rf, cur); + xfs_btree_del_cursor(cur, error); + return error; +} + /* Find all the extents from a given AG in an inode fork. */ STATIC int xrep_rmap_scan_ifork( @@ -570,6 +589,8 @@ xrep_rmap_scan_ifork( break; case XFS_DINODE_FMT_RMAP: return xrep_rmap_scan_rtrmapbt(&rf, ip); + case XFS_DINODE_FMT_REFCOUNT: + return xrep_rmap_scan_rtrefcountbt(&rf, ip); default: return 0; } |