diff options
| author | Darrick J. Wong <djwong@kernel.org> | 2021-09-01 11:18:47 -0700 |
|---|---|---|
| committer | Darrick J. Wong <djwong@kernel.org> | 2021-10-22 16:41:09 -0700 |
| commit | 00f3948e3c23b1b00539984e5a9222730ddfefa5 (patch) | |
| tree | a980e2051555eb0e58fbe084333f06245aaa1461 | |
| parent | 76801f45375c003151852fa39e5f7637dce63536 (diff) | |
xfs: enable extent size hints for CoW operations
Wire up the copy-on-write extent size hint for realtime files, and
connect it to the rt allocator so that we avoid fragmentation on rt
filesystems.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 8 | ||||
| -rw-r--r-- | fs/xfs/xfs_bmap_util.c | 5 |
2 files changed, 11 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 5a6fe00e485a..aa4bc2b5aab1 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -6405,7 +6405,13 @@ xfs_get_cowextsz_hint( a = 0; if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE) a = ip->i_cowextsize; - b = xfs_get_extsz_hint(ip); + if (XFS_IS_REALTIME_INODE(ip)) { + b = 0; + if (ip->i_diflags & XFS_DIFLAG_EXTSIZE) + b = ip->i_extsize; + } else { + b = xfs_get_extsz_hint(ip); + } a = max(a, b); if (a == 0) diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 647a1ae08030..23ab01af1e3d 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -137,7 +137,10 @@ xfs_bmap_rtalloc( bool ignore_locality = false; int error; - align = xfs_get_extsz_hint(ap->ip); + if (ap->flags & XFS_BMAPI_COWFORK) + align = xfs_get_cowextsz_hint(ap->ip); + else + align = xfs_get_extsz_hint(ap->ip); retry: prod = align / mp->m_sb.sb_rextsize; error = xfs_bmap_extsize_align(mp, &ap->got, &ap->prev, |