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authorDarrick J. Wong <djwong@kernel.org>2024-11-20 16:21:03 -0800
committerDarrick J. Wong <djwong@kernel.org>2024-12-23 13:06:14 -0800
commit8e84e8052bc283ebb37f929eb9fb97483ea7385e (patch)
treec75bfcd149b61a40bd169cc370539910aadc59bd
parent4de1a7ba4171db681691bd80506d0cf43c5cb46a (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> Reviewed-by: Christoph Hellwig <hch@lst.de>
-rw-r--r--fs/xfs/libxfs/xfs_bmap.c8
-rw-r--r--fs/xfs/xfs_rtalloc.c5
2 files changed, 11 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index ae3d33d60761..40ad22fb808b 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -6524,7 +6524,13 @@ 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_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index 294aa0739be3..f5a3d5f8c948 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -2021,7 +2021,10 @@ xfs_rtallocate_align(
if (*noalign) {
align = mp->m_sb.sb_rextsize;
} else {
- 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);
if (!align)
align = 1;
if (align == mp->m_sb.sb_rextsize)