diff options
| author | Christoph Hellwig <hch@lst.de> | 2017-08-30 00:44:12 +0200 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-09-01 19:55:30 +0200 |
| commit | f2285c148c4167337d12452bebccadd2ad821d5d (patch) | |
| tree | 4b7d81346f935aa526779c385d4afb24b3391169 /fs | |
| parent | xfs: switch xfs_bmap_local_to_extents to use xfs_iext_insert (diff) | |
| download | linux-f2285c148c4167337d12452bebccadd2ad821d5d.tar.xz linux-f2285c148c4167337d12452bebccadd2ad821d5d.zip | |
xfs: use xfs_iext_get_extent in xfs_bmap_first_unused
Use the bmap abstraction instead of open-coding bmbt details here.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 94f2a222bd95..99b5fa5c4b8d 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -1359,7 +1359,6 @@ xfs_bmap_first_unused( xfs_fileoff_t lastaddr; /* last block number seen */ xfs_fileoff_t lowest; /* lowest useful block */ xfs_fileoff_t max; /* starting useful block */ - xfs_fileoff_t off; /* offset for this block */ xfs_extnum_t nextents; /* number of extent entries */ ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE || @@ -1376,16 +1375,19 @@ xfs_bmap_first_unused( lowest = *first_unused; nextents = xfs_iext_count(ifp); for (idx = 0, lastaddr = 0, max = lowest; idx < nextents; idx++) { - xfs_bmbt_rec_host_t *ep = xfs_iext_get_ext(ifp, idx); - off = xfs_bmbt_get_startoff(ep); + struct xfs_bmbt_irec got; + + xfs_iext_get_extent(ifp, idx, &got); + /* * See if the hole before this extent will work. */ - if (off >= lowest + len && off - max >= len) { + if (got.br_startoff >= lowest + len && + got.br_startoff - max >= len) { *first_unused = max; return 0; } - lastaddr = off + xfs_bmbt_get_blockcount(ep); + lastaddr = got.br_startoff + got.br_blockcount; max = XFS_FILEOFF_MAX(lastaddr, lowest); } *first_unused = max; |