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authorEric Sandeen <sandeen@sandeen.net>2016-11-08 12:59:42 +1100
committerDave Chinner <david@fromorbit.com>2016-11-08 12:59:42 +1100
commit5d829300bee000980a09ac2ccb761cb25867b67c (patch)
tree425daf3660774296f46973084bf7d8362b45723f /fs/xfs/xfs_reflink.c
parent4dfce57db6354603641132fac3c887614e3ebe81 (diff)
downloadlinux-5d829300bee000980a09ac2ccb761cb25867b67c.tar.bz2
xfs: provide helper for counting extents from if_bytes
The open-coded pattern: ifp->if_bytes / (uint)sizeof(xfs_bmbt_rec_t) is all over the xfs code; provide a new helper xfs_iext_count(ifp) to count the number of inline extents in an inode fork. [dchinner: pick up several missed conversions] Signed-off-by: Eric Sandeen <sandeen@redhat.com> Reviewed-by: Brian Foster <bfoster@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
Diffstat (limited to 'fs/xfs/xfs_reflink.c')
-rw-r--r--fs/xfs/xfs_reflink.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index c06904893202..0edf835af32d 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -486,7 +486,7 @@ xfs_reflink_trim_irec_to_next_cow(
/* This is the extent before; try sliding up one. */
if (irec.br_startoff < offset_fsb) {
idx++;
- if (idx >= ifp->if_bytes / sizeof(xfs_bmbt_rec_t))
+ if (idx >= xfs_iext_count(ifp))
return 0;
gotp = xfs_iext_get_ext(ifp, idx);
xfs_bmbt_get_all(gotp, &irec);
@@ -566,7 +566,7 @@ xfs_reflink_cancel_cow_blocks(
xfs_bmap_del_extent_cow(ip, &idx, &got, &del);
}
- if (++idx >= ifp->if_bytes / sizeof(struct xfs_bmbt_rec))
+ if (++idx >= xfs_iext_count(ifp))
break;
xfs_bmbt_get_all(xfs_iext_get_ext(ifp, idx), &got);
}