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bcachefs: fix REFLINK_P_MAY_UPDATE_OPTIONS

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If we're doing a reflink copy of existing reflinked data, we may only
set REFLINK_P_MAY_UPDATE_OPTIONS if it was set on the reflink pointer
we're copying from.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2025-05-24 01:56:10 -04:00
parent 9caea9208f
commit 7098ba57c4
1 changed files with 2 additions and 1 deletions
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3
fs/bcachefs/reflink.c
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@ -711,7 +711,8 @@ s64 bch2_remap_range(struct bch_fs *c,
SET_REFLINK_P_IDX(&dst_p->v, offset);
if (reflink_p_may_update_opts_field &&
may_change_src_io_path_opts)
may_change_src_io_path_opts &&
REFLINK_P_MAY_UPDATE_OPTIONS(src_p.v))
SET_REFLINK_P_MAY_UPDATE_OPTIONS(&dst_p->v, true);
} else {
BUG();