xfs: check inode reflink flag before calling reflink functions
There are a couple of places where we don't check the inode's reflink flag before calling into the reflink code. Fix those, and add some asserts so we don't make this mistake again. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reported-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
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@ -624,6 +624,7 @@ xfs_reflink_cancel_cow_range(
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int error;
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trace_xfs_reflink_cancel_cow_range(ip, offset, count);
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ASSERT(xfs_is_reflink_inode(ip));
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offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset);
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if (count == NULLFILEOFF)
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@ -1510,8 +1511,7 @@ xfs_reflink_clear_inode_flag(
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int nmaps;
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int error = 0;
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if (!(ip->i_d.di_flags2 & XFS_DIFLAG2_REFLINK))
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return 0;
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ASSERT(xfs_is_reflink_inode(ip));
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fbno = 0;
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end = XFS_B_TO_FSB(mp, i_size_read(VFS_I(ip)));
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@ -947,11 +947,13 @@ xfs_fs_destroy_inode(
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XFS_STATS_INC(ip->i_mount, vn_rele);
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XFS_STATS_INC(ip->i_mount, vn_remove);
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error = xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF);
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if (error && !XFS_FORCED_SHUTDOWN(ip->i_mount))
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xfs_warn(ip->i_mount, "Error %d while evicting CoW blocks "
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"for inode %llu.",
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error, ip->i_ino);
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if (xfs_is_reflink_inode(ip)) {
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error = xfs_reflink_cancel_cow_range(ip, 0, NULLFILEOFF);
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if (error && !XFS_FORCED_SHUTDOWN(ip->i_mount))
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xfs_warn(ip->i_mount,
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"Error %d while evicting CoW blocks for inode %llu.",
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error, ip->i_ino);
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}
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xfs_inactive(ip);
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